Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404428 | Foldable honeycomb structure and method for making the same | Yi Sun, Chin-Yuan Lu, Kuei-Lin Tsai | 2008-07-29 |
| 7389565 | Handle assembly for cordless roman shades | — | 2008-06-24 |
| 7373965 | Window shade lift cord apparatus | — | 2008-05-20 |
| 7320354 | Pulling cord winding apparatus for window shades | — | 2008-01-22 |
| 7311134 | Pulling cord winding apparatus for window shades | — | 2007-12-25 |
| 7249623 | Bracing bracket for arched window blinds | Justin S. Chhun | 2007-07-31 |
| 7219710 | Lifting mechanism for window shades | — | 2007-05-22 |
| 7044043 | Apparatus for sizing window coverings | — | 2006-05-16 |
| 7036547 | Height adjustable pleated shade | Lawrence S. Wu | 2006-05-02 |
| 7000521 | Pleated shade cut-off method and apparatus | Lawrence S. Wu | 2006-02-21 |
| 6991020 | Pull down, push up, shade assembly | Lawrence S. Wu | 2006-01-31 |
| 6948545 | Window covering height adjustment method and apparatus using traveling rotor | Lawrence S. Wu | 2005-09-27 |
| 6931970 | Roller shade cutting machine | — | 2005-08-23 |
| 6889741 | Window covering height adjustment apparatus and method using multiple interconnected cord winding rotors | Lawrence S. Wu | 2005-05-10 |
| 6837294 | Pull down, push up, shade assembly | Lawrence S. Wu | 2005-01-04 |
| 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 |
| 6443207 | Window covering adjustment apparatus and method | Lawrence S. Wu | 2002-09-03 |
| 5881792 | Shade roller | — | 1999-03-16 |