Patents by Inventor Tsai Shaw Zin

Tsai Shaw Zin 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).

  • Folding lounge chair
    Patent number: 7017991
    Abstract: A lounge chair is configured with backrest and seat frames operative to pivot relative to one another between erected and folded positions. In the erected position of the lounge chair, inner end surfaces of longitudinal members of the seat frame each extend complementary to, abut and support a respective inner surface of longitudinal members of the backrest seat.
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: March 28, 2006
    Assignee: H2O Furnishings LLC
    Inventor: Tsai Shaw Zin