Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815399 | Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone | Kamal Arsanious, David Thomas Quinn, Patrick Murphy, Allen R. Toney | 2004-11-09 |
| 5378816 | Methods for high purity chromatographic separation of proteins having EGF-like binding domains | Erno Pungor, Monica R. Foermer | 1995-01-03 |
| 5199489 | Method of cementing well casing to avoid gas channelling from shallow gas-bearing formations | Brian Sissons, Kerry Crapo | 1993-04-06 |