Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211249 | Apparatus and method for obtaining subterranean samples | David Richter, David Overman, Joel F. Wilson | 1993-05-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211249 | Apparatus and method for obtaining subterranean samples | David Richter, David Overman, Joel F. Wilson | 1993-05-18 |