Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689337 | Coaxial disc-mount for measuring flatness of computer-drive discs by interferometry | Chiayu Ai | 1997-11-18 |
| 5680214 | Horizontal-post/vertical-flexure arrangement for supporting large reference optics in phase-shifting scanning | James V. Semrad | 1997-10-21 |