Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759059 | Analog telephone circuit for digital telephone system | — | 1988-07-19 |
| 4484031 | Interface circuit for a telephone system | Jerry B. Gray, Cuba M. Adams | 1984-11-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759059 | Analog telephone circuit for digital telephone system | — | 1988-07-19 |
| 4484031 | Interface circuit for a telephone system | Jerry B. Gray, Cuba M. Adams | 1984-11-20 |