Patents by Inventor Delbert L. Merriner

Delbert L. Merriner 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: 3987430
    Abstract: A programmed control unit is provided which is capable of controlling one or more pieces of electrical equipment, and of turning such equipment on and off automatically at pre-established times which may change from day-to-day. The programmed control unit of the invention includes, for example, one or more program storage members which control the electrical switching of one or more associated pieces of equipment on an independent basis, and in accordance with a program which may extend, for example, from day-to-day, for a month or more.
    Type: Grant
    Filed: September 6, 1974
    Date of Patent: October 19, 1976
    Assignee: Richdel, Inc.
    Inventors: Myrl J. Saarem, Delbert L. Merriner