Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671541 | Accuracy verification devices for coordinate measuring machines | YuZhong Dai | 1997-09-30 |
| 5669150 | Coordinate measuring machine having articulated arm | Raymond J. Guertin, YuZhong Dai, Vitaly Pesikov, Walter L. Beckwith, Jr. | 1997-09-23 |