Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061784 | Retention system | David R. Hall, Scott Dahlgren, Italo Elqueta, Tyson J. Wilde, Christopher Durrand | 2011-11-22 |
| 8033330 | Tool string threads | David R. Hall, Scott Dahlgren | 2011-10-11 |
| 8033615 | Retention system | David R. Hall, Scott Dahlgren, Italo Elqueta, Tyson J. Wilde, Christopher Durrand | 2011-10-11 |
| 8007051 | Shank assembly | David R. Hall, Ronald B. Crockett, Jeff Jepson, Tyson J. Wilde, Jad A. Mills +1 more | 2011-08-30 |
| 7946656 | Retention system | David R. Hall, Scott Dahlgren, Italo Elqueta, Tyson J. Wilde, Christopher Durrand | 2011-05-24 |
| 7934570 | Data and/or PowerSwivel | David R. Hall, Scott Dahlgren | 2011-05-03 |