Patents by Inventor Donald S. Wilkie

Donald S. Wilkie 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: 4570436
    Abstract: The assembly machine of the present invention automatically assembles chain elements into a continuous chain at a high speed. The machine automatically aligns and assembles elements into assembled relation and includes structure for aligning a pair of side links with a first center link, structure for assembling a first pin in assembled relationship with the pair of side links and first center link, structure for aligning a second center link with said pair of side links, structure for assembling a second pin in assembled relationship with the pair of side links and second center link, and structure for advancing assembled chain elements.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: February 18, 1986
    Inventor: Donald S. Wilkie