Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590689 | Method for lining the internal surface of a pipe | Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki, Nobukatsu Ike | 1997-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5590689 | Method for lining the internal surface of a pipe | Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki, Nobukatsu Ike | 1997-01-07 |