Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168932 | Detecting outflow or inflow of fluid in a wellbore | Robert Nicholas Worrall, Peter Oosterling | 1992-12-08 |
JS
Johannes H. G. Surewaard
Overall (All Time): #3,864,859 of 4,157,543Top 95%
1
Patents All Time