Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322711 | Foot pedal motor control | Paul C. Spangler | 1982-03-30 |
| 4186849 | Control circuit for automatically monitoring, dispensing, and filling a liquid in a container | — | 1980-02-05 |