Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943927 | Apparatus and method for counterboring a pipe | Beverley F. Hanson | 1999-08-31 |
| 5654795 | Internal visual weld inspection apparatus | — | 1997-08-05 |
| 5597108 | Plug style pipe line-up clamp with copper back-up shoes | — | 1997-01-28 |