Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694479 | Process for measuring the optical quality of a glass product | Paul-Henri Guering, Jean-Michel Florentin, Michel Pichon | 1997-12-02 |
| 5602648 | Process and device for measuring optical quality of the surface of a transparent object by contact with a wetted flexible surface | Paul-Henri Guering | 1997-02-11 |