Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226943 | Foamable composition of vinyl chloride polymers and method of producing open cell sheet | Toshinori Takao, Shinichi Yamada | 1980-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226943 | Foamable composition of vinyl chloride polymers and method of producing open cell sheet | Toshinori Takao, Shinichi Yamada | 1980-10-07 |