Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929540 | Switching circuit for switching the mode of operation of a subterranean probe and method of switching | — | 1999-07-27 |
| 5924489 | Method of severing a downhole pipe in a well borehole | — | 1999-07-20 |
| D363499 | Angled severing head with centralizer assembly | — | 1995-10-24 |
| D363498 | Angled severing head with stabilizing assembly | — | 1995-10-24 |
| D363292 | Angled severing head having stabilizer assembly | — | 1995-10-17 |
| D363293 | Angled severing head having centralizer assembly | — | 1995-10-17 |
| D355427 | Severing head with tapered centralizing assembly having centralizing holes | — | 1995-02-14 |
| D355428 | Angled severing head | — | 1995-02-14 |
| D354498 | Severing head with tapered centralizer assembly | — | 1995-01-17 |
| D354065 | Angled severing head with tapered centralizing assembly | — | 1995-01-03 |