Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307406 | ISDN power source detection circuit | Timothy W. Gee, James W. Sylivant, Alan Bentley, Randall S. Nelson, Ray Anthony Luechtefeld +1 more | 1994-04-26 |
| 4215248 | Telephone intercom circuit | — | 1980-07-29 |