Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551412 | Wiring fault correction circuit | — | 2009-06-23 |
| RE39446 | Power filter circuit responsive to supply system fault conditions | Richard J. Billingsley | 2006-12-26 |
| 6040969 | Power filter circuit responsive to supply system fault conditions | Richard J. Billingsley | 2000-03-21 |