Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9494297 | Solar-powered LED module and lighting fixtures | William E. Nagengast, Judy Nagengast, Steven Francis Tregilgas | 2016-11-15 |
| 6988819 | Lamp housing containing an integrated LED support structure | Fred D. Siktberg | 2006-01-24 |
| 5491407 | Wheel bearing speed sensor | William Maxson, James C. Rustman | 1996-02-13 |