Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7932693 | System and method of controlling power to a non-motor load | Kevin Lee, Jyrki K. Ahlgren, Ian T. Wallace | 2011-04-26 |
| 7468595 | System and method of controlling the start-up of an adjustable speed motor drive based sinusoidal output power conditioner | Kevin Lee, Jyrki K. Ahlgren, Ian T. Wallace | 2008-12-23 |
| 6839212 | Bus bar thermal detection | Kevin Simms, Wayne Adamson | 2005-01-04 |
| 6084756 | Apparatus for testing protection of an electric power distribution circuit by an arc fault circuit breaker | Ralph Mason Ennis, Joseph C. Engel | 2000-07-04 |
| 6052046 | Miniaturized double pole circuit breaker with arc fault and ground fault protection | Ralph Mason Ennis | 2000-04-18 |