Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8830806 | Optical disc with a theft deterrent coating | Wayne Smith, Christopher J. Cookson, Lewis S. Ostrover | 2014-09-09 |
| 8218813 | Method for double feed detection | — | 2012-07-10 |
| 7770030 | Content guard system for copy protection of recordable media | Jeffrey Bruce Lotspiech, Chandler Brendan Stanton Traw | 2010-08-03 |
| 7533027 | Methods and apparatus for uniquely identifying a large number of film prints | Chris Odgers | 2009-05-12 |
| 7417713 | Optical disc with a theft deterrent coating | Wayne Smith, Christopher J. Cookson, Lewis S. Ostrover | 2008-08-26 |
| 7380137 | Content guard system for copy protection of recordable media | Jeffrey Bruce Lotspiech, Chandler Brendan Stanton Traw | 2008-05-27 |
| 7308430 | Methods and apparatus for uniquely identifying a large number of film prints | Chris Odgers | 2007-12-11 |
| 7158800 | Method and system for limiting content diffusion to local receivers | Spencer Stephens | 2007-01-02 |
| 7082413 | System and method for authorized compression of digitized music | Jeffrey Bruce Lotspiech | 2006-07-25 |
| 6832319 | Content guard system for copy protection of recordable media | Jeffrey Bruce Lotspiech, Chandler Brendan Stanton Traw | 2004-12-14 |
| 5261054 | System for storing a history of sampled pointer signals when a pointer interrupt routine is interrupted by a higher priority interrupt | James P. Lerner | 1993-11-09 |
| 4958378 | Method and apparatus for detecting changes in raster data | — | 1990-09-18 |
| 4794560 | Eraseable self biasing thermal magneto-optic medium | Gary C. Bjorklund, Barry H. Schechtman | 1988-12-27 |
| 4669070 | Signal format for optical tape record/playback system | — | 1987-05-26 |
| 4661941 | Optical video or data tape record and playback apparatus | Fred W. Spong | 1987-04-28 |
| 4425570 | Reversible recording medium and information record | Yehuda Arie | 1984-01-10 |
| 4408213 | Reinforced bubble recording medium and information record | — | 1983-10-04 |
| 4387381 | Optical recording medium and information record with tracking aid | — | 1983-06-07 |
| 4329697 | Information record | — | 1982-05-11 |
| 4315269 | Thick protective overcoat layer for optical video disc | Allen Bloom, Sidney S. Seffren, Robert A. Bartolini | 1982-02-09 |
| 4300227 | Replicable optical recording medium | — | 1981-11-10 |
| 4300143 | Thin protective overcoat layer for optical video disc | Robert A. Bartolini, Allen Bloom, William J. Burke | 1981-11-10 |
| 4285056 | Replicable optical recording medium | — | 1981-08-18 |
| 4270132 | Information record | — | 1981-05-26 |
| 4233626 | Playback information record using phase cancellation for reading | — | 1980-11-11 |