Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9157674 | Cabinet refrigerating system | Martin Collins, Jozsef Nagy, Dan F. Joslin | 2015-10-13 |
| 6198717 | System for recording digital information in a pulse-length modulation format | — | 2001-03-06 |
| 6014355 | System for recording digital information in a pulse-length modulation format | — | 2000-01-11 |
| 5592455 | System for recording digital information in a pulse-length modulation format | — | 1997-01-07 |
| 5592457 | System for recording digital information in a pulse-length modulation format | — | 1997-01-07 |
| 5587983 | System for recording digital information in a pulse-length modulation format | — | 1996-12-24 |
| 5581528 | System for recording digital information in a pulse-length modulation format | — | 1996-12-03 |
| 5577015 | System for recording digital information in a pulse-length modulation | — | 1996-11-19 |
| 5559781 | System for recording digital information in a pulse-length modulation format | — | 1996-09-24 |
| 5557593 | System for recording digital information in a pulse-length modulation format | — | 1996-09-17 |
| 5553047 | System for recording digital information in a pulse-length modulation format | — | 1996-09-03 |
| 5479390 | System for recording digital information in a pulse-length modulation format | — | 1995-12-26 |
| 5459709 | System for recording digital information in a pulse-length modulation format | — | 1995-10-17 |
| 5448545 | System for reproducing digital information in a pulse-length modulation format | — | 1995-09-05 |
| 5375116 | System for recording digital information in a pulse-length modulation format | — | 1994-12-20 |
| 5373490 | System for recording digital information in a pulse-length modulation format | — | 1994-12-13 |
| 5321680 | System for recording digital information in a pulse-length modulation format | — | 1994-06-14 |
| 5253244 | System for recording digital information in a pulse-length modulation format | — | 1993-10-12 |
| 5084852 | System for recording digital information in a pulse-length modulation format | — | 1992-01-28 |
| 5003526 | System for recording digital information in a pulse-length modulation format | — | 1991-03-26 |
| 4222072 | Video player/recorder with non-linear mark length modulation | Gerald H. Ottaway | 1980-09-09 |
| 4210931 | Video player and/or recorder with Hadamard transform | Gerald H. Ottaway | 1980-07-01 |