Patents by Inventor Jon C. Liebling

Jon C. Liebling 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).

  • Paper cup holder
    Patent number: D378335
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: March 11, 1997
    Inventors: Jon C. Liebling, David S. Dolberg