Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366239 | Polyester base drafting film with nitrocellulose and polymethylmethacrylate layer | Yukio Shinagawa, Koichi Suematsu, Hideo Kawaguchi | 1982-12-28 |
SO
Sumio Ohtani
Overall (1982): #29,723 of 81,411Top 40%
1
Patents 1982