Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364017 | Single trip perforate and gravel pack system | Gregg W. Stout | 2002-04-02 |
| 6167970 | Isolation tool release mechanism | Gregg W. Stout | 2001-01-02 |
| 5931229 | Through tubing gravel pack system and method of gravel packing | Douglas J. Lehr | 1999-08-03 |
| 5641019 | Swab-resistant subterranean well packer | Gregg W. Stout | 1997-06-24 |
| 5597040 | Combination gravel packing/frac apparatus for use in a subterranean well bore | Gregg W. Stout | 1997-01-28 |
| 5180010 | Multiple acting lock for gravel pack system | Gregg W. Stout | 1993-01-19 |