Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442711 | Device for measuring the flow of fluid in a well | Jean-Pierre Hulin, Claude Fierfort | 1984-04-17 |
RC
Roger Coudol
Overall (All Time): #4,032,709 of 4,157,543Top 100%
1
Patents All Time