Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849601 | Current-loop feedback of spot welding machines | Kenneth B. Haefner | 1989-07-18 |
| 4590356 | Robot navigation method for joint following | Allen W. Case, Jr. | 1986-05-20 |
| 4532406 | Arc welding torch having integrated wire feed | Richard M. Lund | 1985-07-30 |