Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160490 | Apparatus for improving the battery life of a selective call receiver | Gary L. Pace, Edgar H. Callaway, Jr. | 2000-12-12 |
| 6006079 | Radio having a fast adapting direct conversion receiver | James Jaffee, Walter J. Grandfield | 1999-12-21 |
| 5612682 | Method and apparatus for controlling utilization of a process added to a portable communication device | Michael J. DeLuca, Douglas R. Kraul | 1997-03-18 |
| 4937443 | Photoelectric ambient light switch with ambient light sensing means | — | 1990-06-26 |
| 4631737 | Self biasing direct coupled data limiter | Walter L. Davis, Yolanda Prieto | 1986-12-23 |
| 4521776 | Radio paging device including apparatus for preventing undesired device turn-off | Philip P. Macnak | 1985-06-04 |
| 4438433 | Multiaddress pager with a call storage and priority paging option | Philip P. Macnak | 1984-03-20 |