Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861131 | Displacement transducer with staggered optical fibres | Emmanuel Bois, Serge Huard | 1989-08-29 |
| 4820045 | Equipment for the emission and distribution of light by optical fibers, particularly for in-line spectrophotometric control with the aid of a double beam spectrophotometer | Michel Quanquin | 1989-04-11 |