Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642158 | Method and apparatus to detect capillary indentations | John P. Petry, David J. Michael | 1997-06-24 |
| 5640199 | Automated optical inspection apparatus | David J. Michael, Juha Koljonen | 1997-06-17 |