Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662452 | Injection control device for subterranean well conduit | Richard J. Ross | 1987-05-05 |
| 4648457 | Injection control device for subterranean well conduit | Richard J. Ross | 1987-03-10 |
| 4605062 | Subsurface injection tool | Richard J. Ross | 1986-08-12 |