Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637088 | System for preventing needle displacement in subcutaneous venous access ports | Donald E. Wenner | 1997-06-10 |
| 5635712 | Method for monitoring the hydraulic fracturing of a subterranean formation | Harry D. Smith, Jr. | 1997-06-03 |
| 5595245 | Systems of injecting phenolic resin activator during subsurface fracture stimulation for enhanced oil recovery | — | 1997-01-21 |