Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199338 | Controls for toration fiberization | Marcel Levecque, Dominique Plantard | 1980-04-22 |
| 4194897 | Method for making fibers from glass or other attenuable materials | Marcel Levecque, Dominique Plantard | 1980-03-25 |