Patents by Inventor Chen Wei Chih

Chen Wei Chih 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: 5937491
    Abstract: An improvement metal hanger ring is composed of a metal hanger ring that is formed a long hole at one end thereof for providing the band can be fixed on, and further formed a support hook at other end thereof. Located center of the support hook is provided with a ring hole. At the upper and bottom end of said support hook around the side of the ring hole has provided with a plastic jacket for avoiding the metal is rubbed and the electroplate is destroyed while the hook is hanging on the ring hole of said metal hanger ring.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: August 17, 1999
    Assignee: Yung Ta Hardware & Plastic Co., Ltd.
    Inventor: Chen Wei Chih