Patents by Inventor Rouh-Farm Tsui

Rouh-Farm Tsui 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).

  • Size-adjustable detachable portable garbage bag rack
    Patent number: 6446919
    Abstract: A size-adjustable detachable portable garbage bag rack for holding a garbage bag to collect garbage is constructed to include an adjustable top frame unit formed of four main frame bars and four auxiliary frame bars, an adjustable bottom frame unit formed of four main frame bars and four auxiliary frame bars, and a support frame unit formed of four detachable support frame bars selectively connected between the top frame unit and the bottom frame unit subject to the set size of the top frame unit and the bottom frame unit.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: September 10, 2002
    Inventor: Rouh-Farm Tsui