Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5394431 | Apparatus for preventing dust accumulation in exhaust duct of an electric furnace | Yoriyuki Kuwahara, Hideki Terashima, Yoshiyasu Hikosaka, Mitsuyoshi Kishita | 1995-02-28 |