Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10566785 | Surge protective device with abnormal overvoltage protection | Michael W. Bandel | 2020-02-18 |
| 10270240 | Surge protective device with abnormal overvoltage protection | Michael W. Bandel | 2019-04-23 |
| 6333605 | Light modulating electronic ballast | Gueorgui L. Grouev, Kent E. Crouse, William L. Keith | 2001-12-25 |
| 6185945 | Isolated refrigerant identifier | Dean P. Pfefferle | 2001-02-13 |
| 6177769 | Electric Ballast with selective power dissipation | Ronald J. Bezdon, Ming Liang Wu, Peter W. Shackle | 2001-01-23 |
| 6137239 | Electronic ballast with selective load control | Ming Liang Wu, Peter W. Shackle | 2000-10-24 |