Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684157 | Method and system for interfacing a global positioning system, other navigational equipment and wireless networks with a digital data network | Michael R. Boyd, David J. Paul | 2004-01-27 |
| 4328547 | Failure system for internal combustion engine | Thomas W. Hartford | 1982-05-04 |
| 4266274 | Microprocessor-based engine control systems | — | 1981-05-05 |
| 4264898 | Analog to digital converter for electronic engine control systems | Thomas W. Hartford | 1981-04-28 |
| 4245315 | Ignition limp home circuit for electronic engine control systems | Thomas W. Hartford, Robert S. Henrich | 1981-01-13 |