Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882412 | Method for inspecting an internal floating roof in a liquid-containing storage tank | Eugene B. Silverman, Eric C. Crumption | 2005-04-19 |
| 5627800 | Method and apparatus for determining position of a moving object in a tank | Harry T. Roman | 1997-05-06 |
| 5205174 | Scavenger submersible visual and acoustical tank inspection system and method | Eugene B. Silverman, Harry T. Roman | 1993-04-27 |