Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445309 | Method for making a joint between a main pipe and a branch pipe and apparatus for use in the method | Yonekazu Yamada, Yutaka Yoshino, Kazuo Seki | 1995-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445309 | Method for making a joint between a main pipe and a branch pipe and apparatus for use in the method | Yonekazu Yamada, Yutaka Yoshino, Kazuo Seki | 1995-08-29 |