Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4577443 | Metallic sheath for posttensioning method | Toshiyuki Kitta, Wataru Abe | 1986-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4577443 | Metallic sheath for posttensioning method | Toshiyuki Kitta, Wataru Abe | 1986-03-25 |