Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188523 | Roll electrode for use in a seam welding machine | Jun Kawai, Saburo Watanabe, Masahiro Watanabe | 1980-02-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188523 | Roll electrode for use in a seam welding machine | Jun Kawai, Saburo Watanabe, Masahiro Watanabe | 1980-02-12 |