Patents by Inventor Wayne D. McAllister

Wayne D. McAllister 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).

  • Keyed control device for machines and other instrumentalities
    Patent number: 3932732
    Abstract: A keyed control device arranged to measure and control an operating characteristic of a machine or other instrumentality, and at a predetermined measurement of the operating characteristic will function to control the energization of means for interrupting an established control circuit to the machine or instrumentality. The control device includes a plug-in keying unit which limits use of the machine or instrumentality to authorized personnel. The keying unit may contain means for either or both visually and non-visually measuring the operating characteristic of the machine or instrumentality, such as a counter of signal impulses representative of the machine or instrumentality productivity.
    Type: Grant
    Filed: August 14, 1972
    Date of Patent: January 13, 1976
    Inventors: Wayne D. McAllister, Louis S. Polster
  • Movie viewing booth
    Patent number: D245706
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: September 6, 1977
    Inventor: Wayne D. McAllister