Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867927 | Process of producing thermplastic resin sheet and the like and molding screw therefor | Toyokazu Takubo | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867927 | Process of producing thermplastic resin sheet and the like and molding screw therefor | Toyokazu Takubo | 1989-09-19 |