Patents by Inventor James C. Thornton

James C. Thornton 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: 4895401
    Abstract: An improved door opener and latch device consisting of a spring-loaded bolt for holding the door in a closed position when disposed in a keeper assembly, and a release member which may be extended into and through the assembly to eject the bolt therefrom, and allow the door to open.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: January 23, 1990
    Assignee: James C. Thornton
    Inventors: James C. Thornton, James R. Marsden