Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975990 | Apparatus and method for strengthening welded-lap joints for steel pipeline | Matthew Duffy | 2021-04-13 |
| 10267440 | Apparatus and method for strengthening welded-lap joints for steel pipeline | Matthew Duffy | 2019-04-23 |