Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257403 | Method of subcarrier multiplication which preserves AM Information in FM systems | Luis A. Rovira, David P. Womble, Allen Walter | 1993-10-26 |
| 4339770 | Synchronizing system with chroma parity detection | James M. Walter | 1982-07-13 |