Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793004 | Temperature control unit and temperature control apparatus using it for raw molding sand or resin-coated sand for shell mold | Motoyoshi Yamazaki, Masanao Tokoro | 2004-09-21 |