Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869308 | Transmission mechanism for the adjustment of inclination angle of a venetian blind | — | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869308 | Transmission mechanism for the adjustment of inclination angle of a venetian blind | — | 1989-09-26 |