Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198973 | Select-a-range control device | — | 1993-03-30 |
| 4914566 | Shaft position detector and control device | — | 1990-04-03 |
| 4474169 | Solar heat collector control device | — | 1984-10-02 |
| 4387422 | Control system process controller | — | 1983-06-07 |
| 4327705 | Solar heat recovery control | — | 1982-05-04 |
| 4184516 | Pipe cap | Richard B. Oesterritter | 1980-01-22 |