Patents by Inventor Alexander C. Mair

Alexander C. Mair 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: 4693642
    Abstract: A line boring machine adapted for high speed line boring of engine blocks or the like featuring a series of spaced crankcase bulkheads, employes a motorized spindle capable of advancing, and boring bar from one end of the block therethrough to the other end to penetrate a remote cutting end of the bar serially through the bulkheads.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: September 15, 1987
    Assignee: General Motors Corporation
    Inventors: Alexander C. Mair, Leonhard Allgaier, Arnold O. DeHart