Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936527 | Method and apparatus for locating and tracking documents and other objects | Denis McGreivy | 1999-08-10 |
| 4859990 | Electrically programmable transceiver security system and integrated circuit | — | 1989-08-22 |
| 4794622 | Low power transmitter frequency stabilization | David C. Andrus | 1988-12-27 |