Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287405 | Process and apparatus for exhausting fumes produced by arc welding | Takashi Ohmae, Yasuhiro Fukaya, Yasuyuki Yoshida, Tamotu Oka, Masahiko Sato | 1981-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287405 | Process and apparatus for exhausting fumes produced by arc welding | Takashi Ohmae, Yasuhiro Fukaya, Yasuyuki Yoshida, Tamotu Oka, Masahiko Sato | 1981-09-01 |