Patents by Inventor Tian Tsyh Wu

Tian Tsyh 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).

  • Patent number: 6189973
    Abstract: A seat includes a base having a block extended rearward for forming a pair of notches. The block has two side extensions extended inward of the notches of the base. A plate has an opening formed between two legs for receiving the block and has two pins engaged into the extensions for rotating the plate relative to the base between a vertical position and a folded position. The pins may be engaged into the notches of the base for securing the plate at the vertical position. The legs each has a stop engaged with the extensions for retaining the plate to the base.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: February 20, 2001
    Inventor: Tian Tsyh Wu