Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530206 | Strings for tennis rackets and rackets equipped with same | Max Siguier | 1985-07-23 |
| 4326890 | Bedding anchorage rods | — | 1982-04-27 |
| 4286899 | Process for positioning strengthening rods in mine levels and public works | Raymond J. Perraud | 1981-09-01 |