Patents by Inventor N. D. Wygant

N. D. Wygant 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).

  • Programmable time control apparatus
    Patent number: 4319319
    Abstract: The controlling of the operation of a plurality of different electrically actuated load devices at the desired time is solved in a simple and economical manner by the control apparatus of the present invention. The control apparatus disclosed includes a real-time clock with a selected total time span and with a selected time resolution. The apparatus has programmed control inclusive of interchangeable programmed memory modules and an alternate manual control of all control outputs for controlling the load devices in the desired time sequence.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: March 9, 1982
    Assignee: Marathon Oil Company
    Inventor: N. D. Wygant