Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471303 | Combination of white-light scanning and phase-shifting interferometry for surface profile measurements | Chiayu Ai | 1995-11-28 |
| 5446547 | Combination of motorized and piezoelectric translation for long-range vertical scanning interferometry | Bryan Guenther, John B. Hayes | 1995-08-29 |
| 5355221 | Rough surface profiler and method | Donald K. Cohen, Chris P. Brophy | 1994-10-11 |
| 5204734 | Rough surface profiler and method | Donald K. Cohen, Chris P. Brophy | 1993-04-20 |
| 5133601 | Rough surface profiler and method | Donald K. Cohen, Chris P. Brophy | 1992-07-28 |