Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7325618 | Tubing expansion tool | Neil Andrew Abercrombie Simpson | 2008-02-05 |
| 5651173 | Method for doubly upsetting tubing flanges | Brad A. Vigar, Terry E. Steffen, Laral E. Turner | 1997-07-29 |