Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5787998 | Down hole pressure intensifier and drilling assembly and method | Douglas P. Kelley, Scott Veenhuizen | 1998-08-04 |
| 5595252 | Fixed-cutter drill bit assembly and method | — | 1997-01-21 |
| 4660773 | Leakproof high pressure nozzle assembly | — | 1987-04-28 |
| 4540056 | Cutter assembly | — | 1985-09-10 |
| 4534425 | Cable reaming apparatus and method | James M. Reichman, Thomas J. Kendrew | 1985-08-13 |
| 4493379 | Cable reaming apparatus and method | James M. Reichman, Thomas J. Kendrew | 1985-01-15 |
| 4385667 | Cable reaming apparatus | James M. Reichman, Thomas J. Kendrew | 1983-05-31 |