Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523785 | Method for determining geological surface and subsurface resistivity | L. R. Denham, H. Roice Nelson, Jr. | 2016-12-20 |
| 8344721 | Method for locating sub-surface natural resources | H. Roice Nelson, Jr., Joseph H. Roberts, Wulf F. Massell, Samuel D. LeRoy, Leslie R. Denham +2 more | 2013-01-01 |