Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936723 | Method and apparatus for cutting off the beads of seam-welded pipes | Ichiro Yasumura, Koji Nishimoto, Kuniharu Fujimoto | 1990-06-26 |
| 4476370 | Method and apparatus for shaping beads of welded steel section | — | 1984-10-09 |