Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285899 | Method and apparatus for making helical plastic members, and the members produced | Michel Pavy | 1981-08-25 |
| 4182738 | Method of manufacturing helical members from a synthetic extruded material | Michel Pavy | 1980-01-08 |