Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746550 | Coupling reaming apparatus and method | John R. Kimmich, Keith Lynn Mayhood, Walter B. Vogel, John J. McGettigan | 1998-05-05 |
| 5181308 | Method for installing annular seals | Lewis Gray, Joseph L. Garbarino, John S. Micol, Johnny W. Crenshaw, James C. Barley +2 more | 1993-01-26 |