Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641019 | Swab-resistant subterranean well packer | James T. Matte | 1997-06-24 |
| 5597040 | Combination gravel packing/frac apparatus for use in a subterranean well bore | James T. Matte | 1997-01-28 |