Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453577 | Pneumatic tool and vibration isolator mounts therefor | David E. Huffaker, Kenneth A. McHenry | 1995-09-26 |
| 4951756 | Torque control screwdriver | David A. Giardino, William K. Wallace | 1990-08-28 |