Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591454 | Apparatus and method for melting and treating metal wastes | Katsuyuki Ohtsuka, Ryukichi Mizuno, Kazuo Kitagawa, Atsuhiro Ochiai, Minoru Harada +1 more | 1986-05-27 |