Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955879 | Method and device for monitoring the relative positions of at least two freely movable points and providing feedback therefrom | Nelson G. Durdle, Edmond Hok Ming Lou, Douglas L. Hill | 1999-09-21 |