Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145593 | Main bore isolation assembly for multi-lateral use | — | 2000-11-14 |
| 5697449 | Apparatus and method for temporary subsurface well sealing and equipment anchoring | David Glen Martin, Mark McCorry | 1997-12-16 |
| 5609178 | Pressure-actuated valve and method | Gary Pape | 1997-03-11 |