Patents by Inventor Robert H. Hunter

Robert H. Hunter 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: 4164737
    Abstract: A directional trailer turning signaling device for use on a vehicle having a trailer attached thereto comprises a frame assembly mounted on the vehicle's trailer hitch, a contact arm in pivotable contact with the trailer's tongue attached to the hitch, a sensing means attached to the frame assembly and connected to the contact arm to detect the degree of its rotation, and an indication gauge mounted in the vehicle near the driver and connected to the sensing means for providing visual indication of the trailer position behind the vehicle.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: August 14, 1979
    Assignee: Trailer Eye, Inc.
    Inventor: Robert H. Hunter
  • Patent number: 3932532
    Abstract: Ethers of polyglycerols and an improved method of preparing said ethers are disclosed. The ethers are prepared by reacting a purified polyglycerol with an alpha olefin epoxide in the presence of an alkali metal alkoxide catalyst.
    Type: Grant
    Filed: June 1, 1973
    Date of Patent: January 13, 1976
    Assignee: ICI United States Inc.
    Inventors: Robert H. Hunter, John David, deceased Zech