Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540581 | Mold for injection molding a thermoplastic part free from sink marks using a void inducing member | Hiroshi Aida | 1996-07-30 |
| 5232654 | Injection molding method for manufacturing a thermoplastic part free from sink marks using a void inducing member | Hiroshi Aida | 1993-08-03 |