Patent Assignment
Reel/Frame 015494/0333
Merger
Recorded: 2004-12-29
Pages: 12
Assignor
GREENSTEEL, INC.
Executed: 2004-01-02
Assignee
POLYVISION CORPORATION
3970 JOHNS CREEK COURT, SUITE 325, SUWANEE, GEORGIA, 30024
Covered Properties
(17)
Graphic Input System
Patent:
4,777,329 →
Application:
07/090,088 →
Code-Based, Electromagnetic-Field-Responsive Graphic Data-Acquisition System
Patent:
5,248,856 →
Application:
07/958,076 →
Calibration of Graphic Data-Acquisition Tracking System
Patent:
5,583,323 →
Application:
08/147,977 →
Optical-Scanning System Employing Laser and Laser Safety Control
Patent:
5,585,605 →
Application:
08/148,660 →
Marking System with Pen-Up/Pen-Down Tracking
Patent:
5,434,370 →
Application:
08/148,837 →
Code-Based, Electromagnetic-Field-Responsive Graphic Data-Acquisition System
Patent:
5,623,129 →
Application:
08/282,034 →
Optical-Scanning System Employing Laser and Laser Safety Control
Patent:
5,665,942 →
Application:
08/516,434 →
Electronic Whiteboard with Multi-Functional User Interface
Patent:
5,790,114 →
Application:
08/725,458 →
Electronic Whiteboard System and Method
Patent:
6,353,193 →
Application:
08/941,353 →
Electronic Whiteboard System Eraser
Patent:
6,445,384 →
Application:
08/941,638 →
Spacing Structures for Large Touch Panels
Patent:
6,355,895 →
Application:
09/178,653 →
Sensing the size of a touch point in a touch-sensitive panel employing resistive membranes
Application:
09/707,790 →
Slidable Electronic Whiteboard System
Remote control for electronic whiteboard
Application:
10/453,054 →
Publication:
US 2004/0246236
Sensing the size of a touch point in a touch-sensitive panel employing resistive membranes
Application:
10/846,251 →
Publication:
US 2004/0207606
Method for the Detection of Stylus Size on Resistive Membrane Touchscreen
Application:
60/163,944 →
Initial Calibration of a Location-Sensing White Board to a Projected Display
Application:
60/172,029 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 26, 2001
From: ATWOOD, STEPHEN P.; PETERSON, RICHARD
To: MICROTOUCH SYSTEMS, INC.
Reel/Frame 012318/0943 →
Assignment of Assignor's Interest
Nov 26, 2001
From: MICROTOUCH SYSTEMS, INC.
To: GREENSTEEL, INC.
Reel/Frame 012320/0327 →
Release of Security Agreement
Jan 3, 2002
From: SILICON VALLEY BANK
To: GREENSTEEL, INC.
Reel/Frame 012407/0763 →
Assignment of Assignor's Interest
Nov 17, 2003
From: LAHADE, SUDHAKAR S.; WATSON, JAMES D.; ZEH, MARK A.; DUNN, MICHAEL H.
To: GREENSTEEL, INC.
Reel/Frame 014710/0111 →
Assignment of Assignor's Interest
Nov 17, 2003
From: HILDEBRANDT, PETER W.; WATSON, JAMES D.; HOFMANN, NEAL A.; ASSARAF, A. JOEL
To: GREENSTEEL, INC.
Reel/Frame 014711/0538 →
Assignment of Assignor's Interest
May 14, 2004
From: MICROTOUGH SYSTEMS, INC.
To: GREENSTEEL, INC.
Reel/Frame 015342/0056 →
Assignment of Assignor's Interest
May 14, 2004
From: ATWOOD, STEPHEN P.; PETERSON, RICHARD
To: MICROTOUCH SYSTEMS, INC.
Reel/Frame 015342/0097 →
Release
Jun 21, 2005
From: SILICON VALLEY BANK
To: MICROFIELD GRAPHICS, INC.
Reel/Frame 016700/0553 →
Assignment of Assignor's Interest
Feb 10, 2014
From: POLYVISION CORPORATION
To: STEELCASE INC.
Reel/Frame 032180/0786 →