Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437960 | Current limiting circuit breaker with positive temperature coefficient resistivity (PTC) element and insertable insulating object | William W. Chen, Brett Larson, Ron E. Stecker | 2002-08-20 |
| 6313723 | Remote controllable circuit breakers with positive temperature coefficient resistivity (PTC) elements | William W. Chen | 2001-11-06 |