Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487245 | Torque-adjusting device for use in a roller blind | Yoshihiro Shoji | 1984-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487245 | Torque-adjusting device for use in a roller blind | Yoshihiro Shoji | 1984-12-11 |