Patents by Inventor Charles E. Eberhart

Charles E. Eberhart 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: D279466
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: July 2, 1985
    Assignee: NuDisc, Inc.
    Inventors: Charles E. Eberhart, Karl P. Ettli, Brenton G. Lake, Jack D. Rainbolt
  • Patent number: D279467
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: July 2, 1985
    Assignee: NuDisc, Inc.
    Inventors: Charles E. Eberhart, Karl P. Ettli, Jack D. Rainbolt