Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948545 | Window covering height adjustment method and apparatus using traveling rotor | Li-Ming Cheng | 2005-09-27 |
| 6889741 | Window covering height adjustment apparatus and method using multiple interconnected cord winding rotors | Li-Ming Cheng | 2005-05-10 |
| 6837294 | Pull down, push up, shade assembly | Li-Ming Cheng | 2005-01-04 |