Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7617876 | Formation isolation valve and method of use | Dinesh R. Patel, David A. Hill, Jabus T. Davis, David T. Lamont | 2009-11-17 |
| 7347272 | Formation isolation valve | Dinesh R. Patel, David A. Hill, Jabus T. Davis, David T. Lamont | 2008-03-25 |