Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431283 | Method of casing multilateral wells and associated apparatus | — | 2002-08-13 |
| 6138756 | Milling guide having orientation and depth determination capabilities | — | 2000-10-31 |
| 6073697 | Lateral wellbore junction having displaceable casing blocking member | Joseph D. Parlin, John C. Gano, Tommie A. Freeman, James R. Longbottom | 2000-06-13 |
| 6062306 | Sealed lateral wellbore junction assembled downhole | John C. Gano, Joseph D. Parlin, John Shelly Bowling, II, James R. Longbottom | 2000-05-16 |