Patents by Inventor Jang M. Shyu

Jang M. Shyu 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: 4703634
    Abstract: An edging machine for leather products, particularly for the flanging as well as edging of the vamp or quarter of leather shoes or leatherette shoes, incorporates a cam shaft on which there are provided a cam, curved wheels and further eccentric cams which facilitate the automatic operation of a claw that progressively moves the leather product for flanging by a flanging member. Thus, the edging of leather products is accomplished at an improved product quality level as well as a cut in product cost as compared with conventional procedures.
    Type: Grant
    Filed: March 19, 1986
    Date of Patent: November 3, 1987
    Inventor: Jang M. Shyu