Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5235631 | Trunked talk-group assignment method | Gary W. Grube, David J. Ness-Cohn | 1993-08-10 |
| 4701944 | Signalling system for trunked private calls | Scott Howard, Michael H. Retzer | 1987-10-20 |
| 4667191 | Serial link communications protocol | Richard A. Comroe, Jaime Andres Borras, Wayne H. Browand, Ozzie F. Ramos, Timothy A. Mitchell +1 more | 1987-05-19 |