Patent Assignment
Reel/Frame 013429/0259
Assignment of Assignor's Interest
Recorded: 2003-02-18
Pages: 4
Assignor
3M PRECISION OPTICS, INC.
Executed: 2003-02-12
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, ST. PAUL, MINNESOTA, 55133-3427
Covered Properties
(93)
Projection Lens
Patent:
4,697,892 →
Application:
06/642,825 →
Projection Lens
Patent:
4,707,084 →
Application:
06/652,062 →
Wide Angle Projection Lens
Patent:
4,801,196 →
Application:
06/776,140 →
Projection Lens with Color Correction
Patent:
4,815,831 →
Application:
06/778,126 →
Projection Lens
Patent:
4,685,774 →
Application:
06/820,553 →
Projection Lens
Patent:
4,682,862 →
Application:
06/899,477 →
Projection Lens
Patent:
4,776,681 →
Application:
06/899,543 →
Projection Lens with an Aspherical Corrector Lens Element
Patent:
4,755,028 →
Application:
06/918,550 →
Color Corrected Projection Lens
Patent:
4,900,139 →
Application:
07/266,234 →
Color Tv Projection Lens System
Patent:
5,055,922 →
Application:
07/490,050 →
Lens Systems
Patent:
5,200,861 →
Application:
07/766,763 →
Retrofocus Wide Angle Lens
Patent:
5,218,480 →
Application:
07/801,058 →
High Speed Wide Angle Projection Tv Lens System
Patent:
5,296,967 →
Application:
07/844,160 →
Zoom Projection Lens Systems
Patent:
5,313,330 →
Application:
07/938,381 →
Color Corrected Projection Lens
Patent:
35,310 →
Application:
07/961,510 →
Novel Focus Adjustment Assemblies for Projection Television
Patent:
5,276,555 →
Application:
07/984,305 →
Hybrid, Color-Corrected, Projection Tv Lens System
Patent:
5,309,283 →
Application:
08/040,109 →
Optical System for Projection Display
Patent:
5,552,922 →
Application:
08/044,720 →
Projection Lens Systems Having Reduced Spherochromatism
Patent:
5,329,363 →
Application:
08/077,418 →
High Performance, Thermally-Stabilized Projection Television Lens Systems
Patent:
5,455,713 →
Application:
08/081,629 →
Field Curvature Corrector
Patent:
5,559,637 →
Application:
08/192,117 →
Method for Correcting Field Curvature
Patent:
5,677,797 →
Application:
08/192,328 →
Apparatus for Uniformly Illuminating a Light Valve
Patent:
5,625,738 →
Application:
08/267,125 →
High Efficiency Illumination System
Patent:
5,823,662 →
Application:
08/295,596 →
Telecentric Lens Systems for Forming an Image of an Object Composed of Pixels
Patent:
5,625,495 →
Application:
08/350,652 →
Apparatus for Uniformly Illuminating a Light Valve
Patent:
6,332,688 →
Application:
08/441,267 →
Optical System for Projection Display
Patent:
5,604,624 →
Application:
08/465,205 →
Projector Illumination System
Patent:
5,628,553 →
Application:
08/541,325 →
Invertible and Orthoscopic Liquid Crystal Display Projector
Patent:
5,622,417 →
Application:
08/559,594 →
Lcd Projector Capable of Preventing Thermal Shimmering by Using a Thermal Diffusion Film
Patent:
5,682,216 →
Application:
08/625,877 →
Projection Television Lens System
Patent:
5,808,804 →
Application:
08/715,028 →
Lcd Projection Lens
Patent:
5,841,587 →
Application:
08/757,341 →
Centrifugal Illumination System
Patent:
5,868,481 →
Application:
08/758,284 →
Athermal Lcd Projection Lens
Patent:
5,963,375 →
Application:
08/788,207 →
Projector Cooling System
Patent:
5,738,427 →
Application:
08/839,686 →
Invertible and Orthoscopic Liquid Crystal Display Projector
Patent:
5,836,664 →
Application:
08/843,580 →
Projection Lenses Having Large Back Focal Length to Focal Length Ratios
Patent:
5,870,228 →
Application:
08/857,358 →
Long Focal Length Projection Lenses
Patent:
5,969,874 →
Application:
08/896,298 →
Projection Lenses for Use with Large Pixelized Panels
Patent:
6,023,375 →
Application:
08/908,115 →
Mini-Zoom Projection Lenses for Use with Pixelized Panels
Patent:
5,900,989 →
Application:
08/908,118 →
High Efficiency Polarizing Converter
Patent:
5,973,833 →
Application:
08/920,359 →
Focusable Front Projection Lens Systems for Use with Large Screen Formats
Patent:
5,936,776 →
Application:
08/928,445 →
Color Corrected Projection Lenses for Use with Curved Faceplate Cathode Ray Tubes
Patent:
6,025,959 →
Application:
09/005,916 →
Long Focal Length Projection Lenses for Use with Large Pixelized Panels
Patent:
5,991,089 →
Application:
09/015,026 →
Zoom Projection Lenses for Use with Pixelized Panels
Patent:
5,900,987 →
Application:
09/022,700 →
Lcd Projector Illumination System Having Blue and Red Dichroic Mirrors Positioned Such That Blue Mirror Receives Light Before Red Mirror
Patent:
6,111,618 →
Application:
09/028,158 →
Coupler Systems for Projection Televisions
Patent:
6,115,082 →
Application:
09/142,336 →
Compact Multi-Path Lcd Projector
Patent:
6,273,567 →
Application:
09/152,760 →
Lcd Projection Lens
Patent:
6,094,311 →
Application:
09/171,838 →
Partial Color-Corrected Projection Lens System
Patent:
6,297,860 →
Application:
09/171,870 →
Projection Lenses Having Large Back Focal Length to Focal Length Ratios
Patent:
5,969,876 →
Application:
09/246,346 →
Multi-Pixel Microlens Illumination in Electronic Display Projector
Patent:
6,254,237 →
Application:
09/302,911 →
Projection Lenses Having Reduced Lateral Color for Use with Pixelized Panels
Patent:
6,195,209 →
Application:
09/304,693 →
Telecentric Lens Systems for Forming an Image of an Object Composed of Pixels
Patent:
39,424 →
Application:
09/305,780 →
Locking Device for Projection Television Lens Assembly
Patent:
6,196,755 →
Application:
09/305,938 →
Apparatus and Method for a Focus Position Lock Device for a Projection Television Lens Assembly
Patent:
6,285,416 →
Application:
09/306,471 →
Lenses for Electronic Imaging Systems
Patent:
6,097,551 →
Application:
09/308,798 →
Projection Television Lens Assembly
Patent:
6,104,554 →
Application:
09/336,315 →
Coupler Fluids for Projection Televisions
Patent:
6,268,458 →
Application:
09/341,022 →
Lenses for Electronic Imaging Systems Having Long Wavelength Filtering Properties
Patent:
6,411,444 →
Application:
09/343,133 →
Focus Corrector for Zoom Projection Lenses Used with Pixelized Panels
Patent:
6,169,636 →
Application:
09/383,778 →
High Speed Retrofocus Projection Television Lens Systems
Patent:
6,301,056 →
Application:
09/435,586 →
High Performance Projection Television Lens Systems
Patent:
6,509,937 →
Application:
09/462,542 →
Zoom Projection Lens Having a Lens Correction Unit
Patent:
6,417,971 →
Application:
09/485,278 →
Long focal length projection lenses
Patent:
6,301,057 →
Application:
09/494,228 →
Optical Systems for Reflective Lcd's
Patent:
6,490,087 →
Application:
09/546,241 →
Wide Field of View Projection Lenses for Compact Projection Lens Systems Employing Pixelized Panels
Patent:
6,324,014 →
Application:
09/554,135 →
Integrating polarization conversion system
Patent:
6,411,437 →
Application:
09/607,506 →
Electronic Projector with Equal-Length Color Component Paths
Patent:
6,532,044 →
Application:
09/620,831 →
Dot-Sequential Color Display System
Diffractive Color Filter
Projection Television Lens Systems Having Improved Modulation Transfer Functions
Patent:
6,445,512 →
Application:
09/720,538 →
Compact, Telecentric Projection Lenses for Use with Pixelized Panels
Projection Lenses for Use with Reflective Pixelized Panels
Patent:
6,476,974 →
Application:
09/797,018 →
Lens Systems for Projection Televisions
Color Corrected Projection Lenses Employing Difractive Optical Surfaces
Patent:
6,529,336 →
Application:
09/831,597 →
Lens System Having Compliant Optic Mounting Structure
Patent:
6,441,976 →
Application:
09/855,963 →
Lens System Having Resilient Members to Axially Position Optics
Automated Polishing Apparatus and Method of Polishing
Lens Assembly Having Automatic Thermal Focus Adjustment
Methods and Apparatus for Positioning Optical Prisms
Polarization Arrangement
Optical Systems for Reflective Lcds
Scrolling Color Sequential Illumination System
Apparatus and Methods for Mounting an Optical Element in an Optical System
Illumination polarization conversion system
Application:
10/268,410 →
Publication:
US 2003/0081314
Tir Prism for Dmd Projector
Color Pre-Filter for Single-Panel Projection Display System
Color Component Aperture Stops in Projection Display System
Folded, Telecentric Projection Lenses for Use with Pixelized Panels
Contrast and image quality of LCOS projection displays while preserving birghtness
Application:
60/347,103 →
Wire grid compound prism
Application:
60/361,190 →
Contrast and image quality of LCOS projection displays while preserving brightness
Application:
60/413,787 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 21, 1984
From: BETENSKY, ELLIS I.
To: U.S. PRECISION LENS INC. A CORP. OF OH
Reel/Frame 004303/0738 →
Assignment of Assignors Interest.
Sep 19, 1984
From: BETENSKY, ELLIS I.
To: U.S. PRECISION LENS INC. A CORP OF OHIO
Reel/Frame 004317/0016 →
Assignment of Assignors Interest.
Sep 13, 1985
From: BETENSKY, ELLIS I.
To: U. S. PRECISION LENS INCORPORATED, A CORP OF OH
Reel/Frame 004482/0117 →
Assignment of Assignors Interest.
Sep 20, 1985
From: BETENSKY, ELLIS I.
To: U.S. PRECISION LENS INCORPORATED
Reel/Frame 004460/0245 →
Assignment of Assignors Interest.
Jan 17, 1986
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS INCORPORATED A CORP OF OHIO
Reel/Frame 004508/0774 →
Assignment of Assignors Interest.
Aug 22, 1986
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS, INCORPORATED, A CORP. OF OHIO
Reel/Frame 004593/0943 →
Assignment of Assignors Interest.
Aug 22, 1986
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS, INCORPORATED, A CORP. OF OHIO
Reel/Frame 004593/0949 →
Assignment of Assignors Interest.
Oct 14, 1986
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS, INCORPORATED, A CORP. OF OHIO
Reel/Frame 004617/0665 →
Security Interest
Oct 22, 1986
From: THERMOCELL DEVELOPMENT, LTD., A PARTNERSHIP
To: THERMO-CELL SOUTHEAST, INCORPORATED, A CORP. OF GEORGIA; CONGLETON, LEE
Reel/Frame 004656/0776 →
Assignment of Assignors Interest.
May 18, 1990
From: WESSLING, RICHARD J.
To: U. S. PRECISION LENS INCORPORATED
Reel/Frame 005312/0461 →
Assignment of Assignors Interest.
Sep 27, 1991
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS INCORPORATED
Reel/Frame 005871/0824 →
Assignment of Assignors Interest.
Dec 3, 1991
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS INCORPORATED A CORP. OF OHIO
Reel/Frame 005991/0481 →
Assignment of Assignors Interest.
Mar 2, 1992
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS INCORPORATED A CORP. OF OHIO
Reel/Frame 006141/0537 →
Assignment of Assignors Interest.
Aug 31, 1992
From: BETENSKY, ELLIS I.
To: U.S. PRECISION LENS INCORPORATED, A CORP. OF OHIO
Reel/Frame 006245/0767 →
Assignment of Assignors Interest.
Nov 23, 1992
From: SANSBURY, BLAKE E.
To: U.S. PRECISION LENS INCORPORATED
Reel/Frame 006405/0338 →
Assignment of Assignors Interest.
Apr 12, 1993
From: MAGARILL, SIMON
To: U.S. PRECISION LENS CORP.
Reel/Frame 006523/0216 →
Assignment of Assignor's Interest
Jan 18, 1994
From: KREITZER, MELVYN H.
To: U.S. PRECISION LENS INCORPORATED
Reel/Frame 006830/0727 →
Assignment of Assignor's Interest
Feb 22, 1994
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS INCORPORATED
Reel/Frame 006875/0905 →
Assignment of Assignor's Interest
Apr 4, 1994
From: BETENSKY, ELLIS I.
To: BENOPCON, INC.
Reel/Frame 006920/0908 →
Assignment of Assignor's Interest
Apr 4, 1994
From: MOSKOVICH, JACOB
To: BENOPCON, INC.
Reel/Frame 006916/0749 →
Assignment of Assignor's Interest
May 13, 1994
From: KREITZER, MELVYN H.
To: U. S. PRECISION LENS INCORPORATED
Reel/Frame 007011/0989 →
Assignment of Assignor's Interest
Jun 28, 1994
From: MAGARILL, SIMON
To: CORNING INCORPORATED
Reel/Frame 007099/0003 →
Assignment of Assignor's Interest
Jul 5, 1996
From: BENOPCON, INC., A CORP. OF OHIO
To: U.S. PRECISION LENS INCORPORATED, A CORP. OF OHIO
Reel/Frame 008019/0549 →
Assignment of Assignor's Interest
Nov 8, 1996
From: BENOPCON, INC.
To: US PRECISION LENS INCORPORATED
Reel/Frame 008214/0572 →
Assignment of Assignor's Interest
Nov 25, 1996
From: MOSKOVICH, JACOB
To: U.S. PRECISION LENS INCORPORATED
Reel/Frame 008238/0115 →