Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665547 | Limiting amplifier for common mode feedback in telephone line feed circuits | — | 1987-05-12 |
| 4649298 | Non-saturating tri-state driver circuit | — | 1987-03-10 |
| 4239935 | Ringing generator | Barry S. Bosik | 1980-12-16 |
| 4224476 | Multiparty subscriber loop carrier systems | — | 1980-09-23 |
| 4224654 | Relay driver circuit | David C. Goldthorp | 1980-09-23 |