Patents by Inventor Allan R. Hewitt

Allan R. Hewitt 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: 4177570
    Abstract: Apparatus for determining the gauge and price of fasteners such as bolts and screws. The apparatus includes an array of channels from which the gauge is determined, and further includes a plurality of pages that cooperate with the channels to determine the price of a fastener.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: December 11, 1979
    Inventor: Allan R. Hewitt