Patents by Inventor William O. Perkinson, III

William O. Perkinson, III 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: 5185508
    Abstract: A machine that resistance welds a valve seat member (14) to a guide member (12) while they are accurately aligned by a locator pin (56). Adjusting mechanism (60) permits limited gimbaling of the locator pin so that replacement and realignment of a new locator pin is easily accomplished.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: February 9, 1993
    Assignee: Siemens Automotive L.P.
    Inventor: William O. Perkinson, III