Patents by Inventor Yang C. Shyang

Yang C. Shyang 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: 4694614
    Abstract: A multi-purpose polisher comprising a base, a column, an abrasive belt, a pulley support, an upper pully, a work stand, a support plate, a radial frame, a plurality of support arms and a plurality of supporting wheels. The radial frame with support arms and supporting wheels is connected to the swivelling shaft fixed to the support plate on the column in such way that the radial frame can be turned and swung to allow the desired support wheel to place behind the abrasive belt so as to meet the requirement of polishing workpieces of different shape.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: September 22, 1987
    Inventor: Yang C. Shyang