Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819519 | Automatic stud driver having thread relief for high torque applications | — | 1989-04-11 |
| 4590826 | Combination stud driving tool and torque limiting device | — | 1986-05-27 |
| 4513643 | Automatic stud driving tool | — | 1985-04-30 |
| 4476749 | Automatic stud driver | — | 1984-10-16 |
| 4470329 | Automatic stud driving tool | — | 1984-09-11 |
| 4371354 | Controlled-torque apparatus | — | 1983-02-01 |