Patents by Inventor Gin Chiao Wang

Gin Chiao Wang 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: 6564426
    Abstract: A retractable handle device includes a pair of conduits, a pair of tubes slidably engaged in the conduits, a housing secured on top of the tubes, and a hand grip rotatably secured to the housing with a shaft. One or more spring biased latches are disposed in the tubes, a bar is slidably received in the housing and coupled to the spring biased latches with links for selectively actuating the spring biased latches to lock the conduits and the tubes. A pin is slidably received in the shaft. A knob is slidably received in the hand grip for selectively actuating the pin.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: May 20, 2003
    Inventor: Gin Chiao Wang