Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35815 | Method for treating waste material | — | 1998-06-02 |
| 5642745 | Tank cleaning system using collapsible robotic tank entry vehicle | Kermit R. Arnold | 1997-07-01 |
| 5640982 | Tank cleaning system using collapsible robotic tank entry vehicle | Kermit R. Arnold | 1997-06-24 |
| 5561883 | Tank cleaning system using remotely controlled robotic vehicle | Paul Borg | 1996-10-08 |
| 4897205 | Method for treating waste material | — | 1990-01-30 |