Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826550 | Process for preparing molded product of thermochromic polyvinyl chloride | Goro Shimizu, Yoshimi Hayashi | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826550 | Process for preparing molded product of thermochromic polyvinyl chloride | Goro Shimizu, Yoshimi Hayashi | 1989-05-02 |