Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296954 | Pipe coupling and pipe joint connection | Yoshiaki Bando, Takesi Okuyama, Tutomu Hashimoto | 1981-10-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296954 | Pipe coupling and pipe joint connection | Yoshiaki Bando, Takesi Okuyama, Tutomu Hashimoto | 1981-10-27 |