Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7373973 | Packer element retaining system | Donald R. Smith, Donny Winslow, Tracy Martin | 2008-05-20 |
| 6976534 | Slip element for use with a downhole tool and a method of manufacturing same | Donald W. Winslow, Donald R. Smith, Don S. Folds | 2005-12-20 |