Patents by Inventor Duke O. Bethea

Duke O. Bethea 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: 4755691
    Abstract: A portable, modular small appliance control system for lamps and the like, which allows separate control of each outlet of a multiple outlet receptacle from separate and remote locations.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: July 5, 1988
    Inventor: Duke O. Bethea