Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290759 | Apparatus for teaching pressure control in oil and gas drilling operations | Lewis W. Patterson, Richard G. Stiverson | 1981-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4290759 | Apparatus for teaching pressure control in oil and gas drilling operations | Lewis W. Patterson, Richard G. Stiverson | 1981-09-22 |