Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860900 | End effector storage station | Zenna J. Dunning, Mark F. Gabriel | 1999-01-19 |
| 5482409 | Part positioning and drilling end effector | Zenna J. Dunning, Paul E. Nelson, Hinrich C. Patjens, David A. Yousko | 1996-01-09 |