Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609291 | Expandable tool for holding and aligning pipes to be welded | — | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609291 | Expandable tool for holding and aligning pipes to be welded | — | 1997-03-11 |