Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750955 | High efficiency, variable position plasma welding process | — | 1998-05-12 |
| 5599469 | Plasma welding process | — | 1997-02-04 |
| 4561888 | Welding wire for use in submerged arc welding of Cr-Mo steels | Naoki Okuda, Minoru Yamada | 1985-12-31 |