Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10271994 | Passive noise canceling device | — | 2019-04-30 |
| 6211940 | Selecting analog or digital motion picture sound tracks | Charles G. Seagrave, Martin J. Richards, Douglas E. Mandell | 2001-04-03 |
| 5757465 | Storage medium for carrying information encoded in two dimensions | Charles G. Seagrave, Martin J. Richards, Douglas E. Mandell | 1998-05-26 |
| 5710752 | Apparatus using one optical sensor to recover audio information from analog and digital soundtrack carried on motion picture film | Charles G. Seagrave, Martin J. Richards, Douglas E. Mandell | 1998-01-20 |
| 5608805 | Dynamic loader | Douglas E. Mandell, Martin J. Richards, Paul R. Goldberg, Mark F. Davis | 1997-03-04 |
| 5544140 | Storage medium and apparatus and method for recovering information from such medium by oversampling | Charles G. Seagrave, Martin J. Richards, Douglas E. Mandell | 1996-08-06 |
| 5390256 | Dynamic loader | Douglas E. Mandell, Martin J. Richards, Paul R. Goldberg, Mark F. Davis | 1995-02-14 |