Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690765 | Methods of assembling a filter | Richard C. Stoyell, Kenneth M. Williamson, Scott D. Hopkins, Terry L. Wolff | 1997-11-25 |
| 5664628 | Filter for subterranean wells | Paul C. Koehler, Michael B. Whitlock, Reza Hashemi, Christophe Malbrel | 1997-09-09 |