Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4245665 | Fluid heater for pneumatic control mechanisms | Celius R. Anderson | 1981-01-20 |
| 4238020 | Centrifugal clutch with an overspeed relief valve and clutch modulation | Karl A. Nerstad, Gordon W. Johnson | 1980-12-09 |