Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818154 | End-effector assembly for countersinking a predrilled bore | Mark F. Gabriel | 1989-04-04 |
| 4813911 | Self-normalizing compliant drive coupling | Mark F. Gabriel, Walter D. Sykes | 1989-03-21 |