Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664948 | Delivery of data including preloaded advertising data | Dimitri Dimitriadis | 1997-09-09 |
| 5627549 | Dual channel advertising referencing vehicle location | — | 1997-05-06 |
| 5481254 | Group message delivery in a time-division multiplexed paging system | Garold B. Gaskill, Dennis O'Brien | 1996-01-02 |
| 5159331 | Missing radio page message detection | Henry A. Macchio | 1992-10-27 |
| 4899480 | Fishing probe apparatus | — | 1990-02-13 |
| 4885763 | Voice mail system with improved detection and cancellation | Dennis O'Brien, Paul G. Hanson, Thomas D. Klarquist, Bruce C. Nepple, Robin R. Rosas | 1989-12-05 |
| 4747126 | Voice mail system on magnetic tape | William Gregory Hood, Thomas D. Klarquist, Kai-Dick Lee, Bruce C. Nepple, Daniel C. Olin +1 more | 1988-05-24 |