Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6075451 | RF cellular technology network transmission system for remote monitoring equipment | James A. Sievert | 2000-06-13 |
| 5454024 | Cellular digital packet data (CDPD) network transmission system incorporating cellular link integrity monitoring | — | 1995-09-26 |
| 5327478 | Cellular network data transmission system | — | 1994-07-05 |
| 5146486 | Cellular network data transmission system | — | 1992-09-08 |
| 5125021 | Cellular network data transmission system | — | 1992-06-23 |
| 4825457 | Cellular network data transmission system | — | 1989-04-25 |