Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146064 | Mechanical system for automatically guiding one or more electrodes in an arc-welding unit | — | 1992-09-08 |
| 4330074 | Apparatus for automatic welding of bevelled tubes | Andre E. Minkiewicz | 1982-05-18 |
| 4213555 | Method and apparatus for automatic welding of bevelled tubes | Andre E. Minkiewicz | 1980-07-22 |