Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440382 | Valve with a direct passage and rotary control | Andre Roquefort | 1984-04-03 |
JP
Jean Pruvot
Overall (All Time): #4,032,052 of 4,157,543Top 100%
1
Patents All Time