Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761202 | Window covering height adjustment method and apparatus using traveling rotor | Lawrence S. Wu | 2004-07-13 |
| 6681831 | Window covering height adjustment apparatus and method using fixed position rotor | Lawrence S. Wu | 2004-01-27 |