Patents by Inventor Pei-Shun Hsu

Pei-Shun Hsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4628979
    Abstract: A window blind which includes a plurality of horizontal slats that can be regulated to simulate a pleated window blind.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: December 16, 1986
    Inventor: Pei-Shun Hsu
  • Patent number: 4621672
    Abstract: A window blind which includes a plurality of horizontal slats and a regulating mechanism that can set the slats at different inclinations so that, when upper slats are opened, lower slats can be closed and vice versa.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: November 11, 1986
    Inventor: Pei-Shun Hsu