Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557178 | Servo amplification system | Clarence F. Batchelder, Charles E. Thomas | 1985-12-10 |
| 4394102 | Servo amplification system | Clarence F. Batchelder, Charles E. Thomas | 1983-07-19 |
| 4215599 | Torque multiplier assembly | Clarence F. Batchelder | 1980-08-05 |