Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509498 | Cable support for workmen on roofs | Sumiko Higaki, Tadashi Nakazawa | 1996-04-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5509498 | Cable support for workmen on roofs | Sumiko Higaki, Tadashi Nakazawa | 1996-04-23 |