Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878051 | Paging system with commands for changing functionality of a paging receiver | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-10-31 |
| 4876538 | Paging system sublocal switch | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-10-24 |
| 4875039 | Paging system with transmission protocol compatible with analog and digital transmitters | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-10-17 |
| 4870410 | Paging system local switch | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-09-26 |
| 4868860 | Paging system for entering pages by local telephone call | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-09-19 |
| 4868562 | Paging system | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-09-19 |
| 4868558 | Paging system lata switch | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-09-19 |
| 4866431 | Paging system hub switch | Andrew A. Andros, Thomas J. Campana, Jr., Robert A. Kinast | 1989-09-12 |