Patents by Inventor Robert J. Wilkinson

Robert J. Wilkinson 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).

  • Suppository
    Patent number: D316913
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: May 14, 1991
    Assignee: American Home Products Corporation
    Inventors: Solomon Motola, Martha C. Aveson, Richard Kenny, Robert J. Wilkinson