Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4694935 | Self-adjusting control valve for elevators | — | 1987-09-22 |
| 4610388 | Circuit board and component manipulation device | Thomas A. Koltuniak | 1986-09-09 |
| 4562337 | Solder pot | — | 1985-12-31 |
| 4463247 | Soldering iron having electric heater unit with improved heat transfer characteristics | Jack R. Gaines | 1984-07-31 |
| D272312 | Soldering station housing | — | 1984-01-24 |
| RE30902 | Pressure and temperature compensating hydraulic valve | Robert J. Whelchel | 1982-04-13 |
| 4318621 | Transit concrete mixer with displaceable charging hopper | John O'Dea | 1982-03-09 |
| 4194534 | Pressure and temperature compensating hydraulic valve | Robert J. Welchel | 1980-03-25 |