Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953181 | Apparatus and method for detecting digital carrier synchronization problems | — | 1990-08-28 |
| 4821287 | Apparatus and method for detecting digital carrier synchronization problems | — | 1989-04-11 |
| 4468787 | Ternary data transmission system | — | 1984-08-28 |
| 4394543 | Telephone line holding circuit | John N. Kerns | 1983-07-19 |