Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375530 | Pipe crawler with stabilizing midsection | Richard C. Treanor | 1994-12-27 |
| 5370006 | Piping inspection carriage having axially displaceable sensor | Richard C. Treanor | 1994-12-06 |
| 5309844 | Flexible pipe crawling device having articulated two axis coupling | — | 1994-05-10 |