Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491116 | Frac plug with caged ball | Kevin T. Berscheidt, Donald R. Smith, Don S. Folds, Gregory W. Vargus | 2002-12-10 |
| 6481497 | High temperature high pressure retrievable packer with barrel slip | Loren Swor, Donald W. Winslow, Kenneth G. Neal, Phillip M. Starr | 2002-11-19 |
| 6394180 | Frac plug with caged ball | Kevin T. Berscheidt, Donald R. Smith, Don S. Folds, Gregory W. Vargus | 2002-05-28 |
| 6378606 | High temperature high pressure retrievable packer with barrel slip | Loren Swor, Donald W. Winslow, Kenneth G. Neal, Phillip M. Starr | 2002-04-30 |