Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523308 | Telephone concentrator switch arrangement | John W. Bull, Leon Croft, David B. DeVaney, David L. Hinshaw, Haresh Jotwani +6 more | 1985-06-11 |
| 4393495 | Message translation arrangement for telephony system with romote port groups | Edgar R. Cray, Maynard K. Knapp, Glenn Richards, Bernard H. Root, William W. Woodruff | 1983-07-12 |