Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436960 | Electronic mail system with RF communications to mobile processors and method of operation thereof | Michael P. Ponschke, Gary F. Thelen | 1995-07-25 |
| 5121115 | Method of transmitting information using programmed channels | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1992-06-09 |
| 5077834 | Paging receiver with continuously tunable antenna and RF amplifier | Andrew A. Andros | 1991-12-31 |
| 5052049 | Paging receiver with continuously tunable antenna | Andrew A. Andros | 1991-09-24 |
| 5047764 | Paging system with dynamically programmable reception frequencies | Andrew A. Andros | 1991-09-10 |
| 5045850 | Paging system with centralized page source and distributed page sources | Andrew A. Andros | 1991-09-03 |
| 5039984 | Paging receiver with programmable areas of reception | Andrew A. Andros | 1991-08-13 |
| 5012235 | Paging receiver with continuously tunable antenna and RF amplifier | Andrew A. Andros | 1991-04-30 |
| 4978944 | Paging receiver with dynamically programmable channel frequencies | Andrew A. Andros | 1990-12-18 |
| 4935732 | Paging receiver with programmable areas of reception | Andrew A. Andros | 1990-06-19 |
| 4928100 | Paging receiver for receiving pages from analog or digital paging transmitters | Andrew A. Andros | 1990-05-22 |
| 4881073 | Paging system with dynamically programmable reception frequencies | Andrew A. Andros | 1989-11-14 |
| 4878051 | Paging system with commands for changing functionality of a paging receiver | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-10-31 |
| 4876538 | Paging system sublocal switch | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-10-24 |
| 4875039 | Paging system with transmission protocol compatible with analog and digital transmitters | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-10-17 |
| 4870410 | Paging system local switch | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-09-26 |
| 4868558 | Paging system lata switch | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-09-19 |
| 4868562 | Paging system | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-09-19 |
| 4868860 | Paging system for entering pages by local telephone call | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-09-19 |
| 4866431 | Paging system hub switch | Andrew A. Andros, Gary F. Thelen, Robert A. Kinast | 1989-09-12 |
| 4857915 | Paging receiver with paging receiver identification code digits transmitted in order of increasing significance | Andrew A. Andros | 1989-08-15 |
| 4853688 | Paging receiver displaying place of origin of pages | Andrew A. Andros | 1989-08-01 |
| 4851830 | Paging receiver with continuously tunable antenna | Andrew A. Andros | 1989-07-25 |
| 4849750 | Paging receiver with dynamically programmable channel frequencies and functionality | Andrew A. Andros | 1989-07-18 |