Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868773 | Digital filtering by threshold decomposition | Edward J. Coyle, Neal C. Gallagher, Joseph P. Fitch, Ronald G Harber | 1989-09-19 |
| 4446770 | Digital tone generation system utilizing fixed duration time functions | — | 1984-05-08 |
| 4440058 | Digital tone generation system with slot weighting of fixed width window functions | Thomas W. Goeddel | 1984-04-03 |
| 4351219 | Digital tone generation system utilizing fixed duration time functions | — | 1982-09-28 |