Patent Assignment
Reel/Frame 007152/0151
Assignment of Assignor's Interest
Recorded: 1994-09-29
Pages: 4
Assignor
MIDWEST DENTAL PRODUCTS CORPORATION
Executed: 1994-09-20
Assignee
DENTSPLY RESEARCH & DEVELOPMENT CORP.
LAKEVIEW & CLARK AVENUES, MILFORD, DELAWARE, 19963
Covered Properties
(28)
Modular Selector Valve Assembly
Patent:
4,144,644 →
Application:
05/697,201 →
Spring Grip Chuck Assembly for Dental Handpieces
Patent:
4,089,115 →
Application:
05/742,551 →
Chuck Assembly for Dental Handpieces
Patent:
4,279,597 →
Application:
06/074,720 →
Dental Handpiece Wrench
Patent:
263,742 →
Application:
06/109,311 →
Chuck Wrench for Dental Handpieces
Patent:
4,315,744 →
Application:
06/109,395 →
Fluid Spray System for Dental Handpiece
Patent:
4,330,279 →
Application:
06/109,761 →
Device for Holding X-Ray-Sensitive Films for Odontological Radiographs
Patent:
4,365,162 →
Application:
06/120,756 →
Latch Mechanism for Dental Handpiece Assembly
Patent:
4,324,548 →
Application:
06/161,680 →
Dental Handpiece Motor
Patent:
267,974 →
Application:
06/161,683 →
Water/Air Spray System for Dental Handpiece
Patent:
4,340,366 →
Application:
06/236,642 →
Apparatus for Photo-Curing of Dental Restorative Materials
Patent:
4,445,858 →
Application:
06/350,241 →
Dental X-Ray Film Holder
Patent:
276,648 →
Application:
06/394,623 →
Collimator for Dental X-Ray Instrument Aiming Rings
Patent:
281,353 →
Application:
06/464,610 →
Low Torsional Restraint Instrument Handpiece Hose
Patent:
4,553,938 →
Application:
06/550,343 →
Swivel Coupling for Illuminated Dental Handpiece
Patent:
4,600,384 →
Application:
06/656,035 →
Lever Actuated Chuck Mechanism for Dental Handpiece
Patent:
4,536,157 →
Application:
06/673,863 →
Swivel Hose Coupling for Dental Handpiece or the Like
Patent:
4,541,802 →
Application:
06/686,117 →
A Miniaturized Dental X-Ray Film Duplicator
Patent:
292,594 →
Application:
06/737,545 →
Film Carrier for Endodontic Dental Radiographs
Patent:
4,965,885 →
Application:
07/087,163 →
Dental Handpiece with Spring Grip Chuck and Lever Release Mechanism
Patent:
5,040,980 →
Application:
07/528,433 →
Dental Handpiece Connector Assembly with Replaceable Air-Cooled Lamp and Insertion/Extraction Tool Therefor
Patent:
5,033,960 →
Application:
07/608,723 →
Quick Connect/Disconnect Coupling for Dental Handpieces
Patent:
5,039,304 →
Application:
07/608,724 →
Method for Cleaning and Lubricating a Dental Handpiece with a Disposable Container
Patent:
5,316,590 →
Application:
08/020,659 →
Disposable Container for Cleaning and Lubricating a Dental Handpiece
Patent:
5,350,064 →
Application:
08/073,274 →
Disposable Filter for Dental Handpiece
Patent:
5,716,210 →
Application:
08/176,112 →
Integral Bur Tube and Bearing Assembly
Patent:
5,571,013 →
Application:
08/221,693 →
Electronic Siren
Patent:
406,074 →
Application:
29/089,202 →
Filter Cartridge
Patent:
432,622 →
Application:
29/089,744 →
Related Assignments
(23)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 1, 1981
From: HEIL DONALD J.
To: AMERICAN HOSPITAL SUPPLY CORPORATION
Reel/Frame 003855/0398 →
Assignment of Assignors Interest.
May 14, 1982
From: JOHNSON, CLIFFORD C.
To: AMERICAN HOSPITAL SUPPLY CORPORATION
Reel/Frame 003986/0086 →
Assignment of Assignors Interest.
Jul 2, 1982
From: STEVENSON, CHARLES F.
To: RINN CORPORATION, A CORP. OF
Reel/Frame 004024/0919 →
Assignment of Assignors Interest.
Sep 20, 1982
From: AMERICAN HOSPITAL SUPPLY CORPORATION A CORP. OF ILL.
To: SYBRON CORPORATION, A CORP. OF N.Y.
Reel/Frame 004051/0902 →
Assignment of Assignors Interest.
Feb 7, 1983
From: SICO, NICHOLAS J. JR.
To: RINN CORPORATION A DE CORP.
Reel/Frame 004098/0610 →
Assignment of Assignors Interest.
Nov 10, 1983
From: OLSEN, ROBERT A.
To: SYBRON CORPORATION, 1100 MIDTOWN TOWER, ROCHESTER A CORP OF
Reel/Frame 004196/0110 →
Assignment of Assignors Interest.
Nov 21, 1984
From: MAIZENBERG, LEONID I.
To: SYBRON CORPORATION
Reel/Frame 004338/0067 →
Assignment of Assignors Interest.
Dec 5, 1984
From: OLSEN, ROBERT A.
To: SYBRON CORPORATION, A CORP OF NY
Reel/Frame 004331/0796 →
Assignment of Assignors Interest.
Feb 20, 1985
From: OLSEN, ROBERT A.
To: SYBRON CORPORATION
Reel/Frame 004364/0584 →
Assignment of Assignors Interest.
May 24, 1985
From: STEVENSON, CHARLES F.
To: RINN CORORATION
Reel/Frame 004410/0871 →
Assignment of Assignors Interest.
Dec 28, 1987
From: NALGE COMPANY (A DE. CORP.)
To: MIDWEST DENTAL CORPORATION, A DE. CORP.
Reel/Frame 004818/0867 →
Security Interest
Dec 28, 1987
From: MIDWEST DENTAL CORPORATION
To: LAKE SHORE NATIONAL BANK, 605 NORTH MICHIGAN AVENUE, CHICAGO, ILLINOIS 60611
Reel/Frame 004816/0449 →
Assignment of Assignors Interest.
Sep 4, 1990
From: HEIL, DONALD J.
To: MIDWEST DENTAL PRODUCTS CORPORATION
Reel/Frame 005426/0092 →
Released by Secured Party
Sep 5, 1990
From: LAKE SHORE NATIONAL BANK
To: MIDWEST DENTAL PRODUCTS CORPORATION
Reel/Frame 005458/0604 →
Assignment of Assignors Interest.
Dec 24, 1990
From: HEIL, DONALD J.
To: MIDWEST DENTAL PRODUCTS CORPORATION, A DE CORP.
Reel/Frame 005550/0819 →
Assignment of Assignors Interest.
Dec 24, 1990
From: HEIL, DONALD J.
To: MIDWEST DENTAL PRODUCTS CORPORATION, A CORP. OF DE
Reel/Frame 005548/0882 →
Merger Effective on 08/28/1990DE
Aug 19, 1991
From: KESTREL DENTAL CORPORATION
To: MIDWEST DENTAL PRODUCTS CORPORATION
Reel/Frame 005805/0579 →
Assignment of Assignors Interest.
Apr 8, 1993
From: SCHNECK, GARY G.
To: GENDEX CORPORATION
Reel/Frame 006483/0665 →
Assignment of Assignor's Interest
Aug 12, 1993
From: SCHNECK, GARY G.
To: GENDEX CORPORATION
Reel/Frame 006638/0584 →
Assignment of Assignor's Interest
Feb 28, 1994
From: NOVAK, EUGENE J.
To: DENTSPLY INTERNATIONAL INC.
Reel/Frame 006877/0816 →
Assignment of Assignor's Interest
Oct 11, 1995
From: JARBY, SVEN
To: HAWE-NEOS HOLDING AG
Reel/Frame 007666/0114 →
Assignment of Assignor's Interest
Apr 4, 2001
From: HAWE NEOS DENTAL HOLDING
To: VON WEISSENFLUH, BEAT A.
Reel/Frame 011667/0921 →
Assignment of Assignor's Interest
Oct 19, 2001
From: VON WEISSENFLUH, BEAT A.
To: IDENTOFLEX AG
Reel/Frame 012263/0636 →