Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645793 | Cartridge handling hand of a cartridge system sliding valve apparatus for a molten metal vessel | Kenji Yamamoto, Shuichi Aoyama, Koji Ishii | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645793 | Cartridge handling hand of a cartridge system sliding valve apparatus for a molten metal vessel | Kenji Yamamoto, Shuichi Aoyama, Koji Ishii | 1997-07-08 |