Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221621 | Process for preparing a foamed article of thermoplastic resin and a die therefor | Tatsujiro Seki, Motoshige Hayashi, Masahiro Tsubone | 1980-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4221621 | Process for preparing a foamed article of thermoplastic resin and a die therefor | Tatsujiro Seki, Motoshige Hayashi, Masahiro Tsubone | 1980-09-09 |