Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840021 | Continuous multifilament sewing thread and process for making same | Marc Francois, Guy Bontemps | 1989-06-20 |
| 4825635 | Carbon fiber yarn | Marc Francois, Guy Bontemps | 1989-05-02 |
| 4810575 | Fibrous material resistant to the combined action of heat and pressure | Marc Francois, Guy Bontemps | 1989-03-07 |