Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180394 | Optimally-controlled hybrid phytoremediation system | Y. Eugene Yan, Louis E. Martino | 2021-11-23 |
| 6814166 | Direct push drilling swivel and method for its use | David H. Surgnier | 2004-11-09 |
| 6763901 | Air delivery system for a direct push drilling swivel | David H. Surgnier | 2004-07-20 |