Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225644 | Low temperature heat-sealable bi-axially oriented polypropylene composite film and process for production thereof | Mikio Tsuchiya, Takashi Kawamura, Yukio Ozaki | 1980-09-30 |