Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5403866 | Foamable resin composition and a thermoplastic foamable pattern and metal casting manufacturing method using said composition | Yoshiyuki Kato, Hideaki Shibata, William Simmons | 1995-04-04 |
| 4842037 | Metal casting patterns | John R. Brown, Russell A. King | 1989-06-27 |