Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938199 | Measurement while drilling tool with interconnect assembly | David Welshans | 2011-05-10 |
| 7913772 | Drilling fluid flow diverter | James Edward Stone, Richard D. Bottos | 2011-03-29 |