Patents by Inventor Robert S. Kelner

Robert S. Kelner 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: D301547
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: June 13, 1989
    Inventor: Robert S. Kelner