Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952649 | Petroleum exploration and prediction apparatus and method | John Dwayne Walther | 2005-10-04 |
| 6904367 | Petroleum exploration and prediction apparatus and method | John Dwayne Walther | 2005-06-07 |