Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885307 | Battery monitor | Bradley W. Lockhart, Jason Toomey, Bruce R. Burry, Bradley D. Looy | 2005-04-26 |
| 6021576 | Trailer trammel | — | 2000-02-08 |
| 4763017 | Electronic bipolar interface circuit | John O. G. Darrow | 1988-08-09 |
| 4661722 | Fail-safe pulse coincidence detector | — | 1987-04-28 |
| 4328541 | Fail-safe digital comparator | — | 1982-05-04 |
| 4320881 | Fail-safe decoder for digital track circuits | — | 1982-03-23 |
| 4306695 | Non-linear filter | — | 1981-12-22 |