Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624560 | Wire mesh filter including a protective jacket | Benn Voll, Bennett M. Richard | 1997-04-29 |
| 5602083 | Use of sized salts as bridging agent for oil based fluids | Billy G. Chesser | 1997-02-11 |