Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609186 | Methods of lining the internal surface of a pipe | Tadao Yahata, Takashi Shigefuji, Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609186 | Methods of lining the internal surface of a pipe | Tadao Yahata, Takashi Shigefuji, Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki | 1997-03-11 |