Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8931457 | Multiplexing drive circuit for an AC ignition system with current mode control and fault tolerance detection | David C. Petruska, Doyle Kent Stewart, Monte Wegner | 2015-01-13 | $14,914,000 |