Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309952 | Process for making a container cover member having synthetic resin openable portion | Keiichi Takahashi, Hiroshi Aoyama, Kikuya Hirakawa | 1982-01-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309952 | Process for making a container cover member having synthetic resin openable portion | Keiichi Takahashi, Hiroshi Aoyama, Kikuya Hirakawa | 1982-01-12 |