Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393946 | Well perforating apparatus | Alain P. Pottier, Pierre Chesnel | 1983-07-19 |
BC
Bernard Chaintreau
Overall (All Time): #4,054,639 of 4,157,543Top 100%
1
Patents All Time