Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847509 | Method and apparatus for measuring the diameter of a running elongate object such as an optical fiber | Jean Debrie | 1989-07-11 |
| 4836674 | Method and apparatus for determining color, in particular of a dental prosthesis | Michel Lequime | 1989-06-06 |