Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805976 | Single site, split location trunked radio communications system | John S. Frichtel, Robert O. Canada | 1998-09-08 |
| 5752198 | Single site, split location trunked radio communications system | John S. Frichtel, Robert O. Canada | 1998-05-12 |
| 5689801 | Power monitoring system for a single site, split location trunked radio communication system | John S. Frichtel, Robert O. Canada | 1997-11-18 |