Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192384 | Methods for forming composite tubing having tapered ends | James M. Barrier, Mark D. Drey, Leslie V. Montford | 1993-03-09 |
| 5152556 | High temperature tubing joint with threaded, split collar | Richard W. Holland, H. O. Davis | 1992-10-06 |