Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325246 | Automatic tracking method for helical scan magnetic tape recorder using reproduced timing signal to sample two out-of-phase reference signals | Barrett E. Guisinger | 1994-06-28 |
| 4933609 | Dynamic control system for braking DC motors | — | 1990-06-12 |
| 4739948 | Reel servo control with resonance damping circuit | David R. Rodal | 1988-04-26 |