Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864797 | Concrete filled tube column and method of constructing same | Takanori Sato, Yasushi Watanabe, Yasukazu Nakamura | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864797 | Concrete filled tube column and method of constructing same | Takanori Sato, Yasushi Watanabe, Yasukazu Nakamura | 1989-09-12 |