Patents by Inventor Yen Chen Wu

Yen Chen Wu 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).

  • Toilet seat assembly with a stack of strippable sanitary sheets
    Patent number: 6006370
    Abstract: A toilet seat assembly, which includes a seat base pivoted to a mounting frame at a toilet bowl, a seat pad detachably fastened to the seat base by a plug joint, a stack of strippable sanitary sheets adhered to the seat pad for the sitting of the user, and a seat cover pivoted to the mounting frame for covering the sanitary sheets to protect the sanitary sheets against contamination.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: December 28, 1999
    Inventor: Yen Chen Wu