Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6204645 | Battery charging controller | — | 2001-03-20 |
| 6111391 | Controller for solar electric generator for recreational vehicles | — | 2000-08-29 |
| 4650957 | Voltage control system | Randolph A. Koploy, Thomas S. Thorvick, Donald A. Westman | 1987-03-17 |
| 4636612 | Optical tracking device | — | 1987-01-13 |
| 4623778 | Optical tracker control system | Thomas S. Thorvick | 1986-11-18 |