Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729416 | Method and apparatus for retaining a core sample within a coring tool | Gary W. Contreras, Edward Harrigan, Bunker Hill, Robert W. Sundquist, Dean W. Lauppe | 2004-05-04 |