Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320548 | Method of erecting a bridge girder | Hiroshi Tada, Wataru Abe, Keizo Ishikawa | 1982-03-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320548 | Method of erecting a bridge girder | Hiroshi Tada, Wataru Abe, Keizo Ishikawa | 1982-03-23 |