Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743629 | Illumination system | Robert P. Helstern | 1998-04-28 |
| 5296826 | Switch assembly | Roy Hart | 1994-03-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743629 | Illumination system | Robert P. Helstern | 1998-04-28 |
| 5296826 | Switch assembly | Roy Hart | 1994-03-22 |