Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31534 | Communication system conferencing arrangement | Francis M. Fenton, James H. Van Ornum, Carl D. Weiss | 1984-03-06 |
| 4311878 | Dialing interval transmission gating arrangement | Paul Berkowitz, Thomas M. Quinn, David C. Trimble | 1982-01-19 |
| 4296282 | Incoming call identification arrangement | Joseph Thomas O'Neil, Thomas M. Quinn | 1981-10-20 |
| 4196316 | Program controlled communication system having individually rearrangeable line selection | James R. McEowen, Robert M. Smith | 1980-04-01 |