Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104263 | Underground pipe for a thrust boring method and a connecting construction of the underground pipe for the same | Takahiro Morimoto | 1992-04-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104263 | Underground pipe for a thrust boring method and a connecting construction of the underground pipe for the same | Takahiro Morimoto | 1992-04-14 |