With Accumulating Means Patents (Class 160/168.1R)
Power operating means (Class 160/168.1P)
Vertical type (Class 160/168.1V)
Accumulated at stationary end (Class 160/169)
Drum or roller wound strand (Class 160/170)
With side guides (Class 160/172R)
Units and subcombinations thereof (Class 160/173R)
  • Blind with angled slats having unequal wings
    Patent number: 6167938
    Abstract: A blind with angled slats where the sides are of unequal length allowing light transmission in the open and intermediate positions, no light transmission in the closed position and a flush planar surface in the closed position.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: January 2, 2001
    Inventor: Jui-Wen Chien