Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5776257 | Gas tight tank cleaning method | Craig Jeffrey Byard | 1998-07-07 |
| 5740821 | Tank cleaning using remotely controlled manway mounted robotic system | — | 1998-04-21 |
| 5642745 | Tank cleaning system using collapsible robotic tank entry vehicle | Kenneth C. Landry | 1997-07-01 |
| 5640982 | Tank cleaning system using collapsible robotic tank entry vehicle | Kenneth C. Landry | 1997-06-24 |