| 5121115 |
Method of transmitting information using programmed channels |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1992-06-09 |
| 4878051 |
Paging system with commands for changing functionality of a paging receiver |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-10-31 |
| 4876538 |
Paging system sublocal switch |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-10-24 |
| 4875039 |
Paging system with transmission protocol compatible with analog and digital transmitters |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-10-17 |
| 4870410 |
Paging system local switch |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-09-26 |
| 4868558 |
Paging system lata switch |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-09-19 |
| 4868860 |
Paging system for entering pages by local telephone call |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-09-19 |
| 4868562 |
Paging system |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-09-19 |
| 4866431 |
Paging system hub switch |
Andrew A. Andros, Thomas J. Campana, Jr., Gary F. Thelen |
1989-09-12 |