Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314774 | Pneumatically inflatable flexible envelope type dam | Yoshiomi Tsuji, Akio Matsuda, Kenji Mori | 1982-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314774 | Pneumatically inflatable flexible envelope type dam | Yoshiomi Tsuji, Akio Matsuda, Kenji Mori | 1982-02-09 |