Patents by Inventor Fred W. Eilenberg

Fred W. Eilenberg 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: 5169259
    Abstract: A foot element with exterior threads on a portion of its surface is die cast or injection molded. Two half sleeves are die cast or injection molded, and are each half cylindrical in shape and have threads on the inside surfaces of the half sleeves and one end is fully or partially closed off. The foot insert can be enclosed between the two sleeve halves and be adjustably extended out from or withdrawn into the completed sleeve.
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: December 8, 1992
    Inventors: Thomas W. Cornell, Jr., John L. Reinbold, Fred W. Eilenberg