Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8237459 | Method of testing ground resistance by making use of existing telephone lines | Ewan G. Browne, Wayne Chappell, Paul R. Siglinger, William C. Wood | 2012-08-07 |
| 6608900 | Load management system for an electrical device | Leroy S. Baker, William Chen | 2003-08-19 |
| 6151226 | Four quadrant power conversion topology | William Chen, Mahlon D. Kimbrough | 2000-11-21 |