Patents by Inventor Charles Grimes Sprecher, III

Charles Grimes Sprecher, III 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: 4068961
    Abstract: A swivel joint is designed to provide limited and controlled movement in two orthogonal planes running through its symmetrical center. The three major parts of the swivel joint are molded from a material composition of polycarbon-glass-teflon. A swivel top mounts to the object to be provided with controlled movement. A swivel bottom mounts to a support. The swivel top and bottom are held together by a large, curved wafer and a nut and bolt arrangement. The swivel top and bottom interact with each other to provide controlled limited movement in the two orthogonal planes, simultaneously.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: January 17, 1978
    Assignee: Milgo Electronic Corporation
    Inventors: John Steven Ebner, Francis Charles Pizzeri, Charles Grimes Sprecher, III