Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156796 | Forming hollow plastic product partially different in composition and its manufacturing apparatus | Nobumasa Tatara | 1992-10-20 |
| 4907957 | Molding apparatus for forming a parison and product of differing materials | Yasuo Ezaki | 1990-03-13 |
| 4362688 | Method for molding a plastic pipe | — | 1982-12-07 |
| 4239474 | Apparatus for molding a plastic pipe | — | 1980-12-16 |