Patents by Inventor Jonathan D. Harger

Jonathan D. Harger 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).

  • Gymnasium insert for a playpen
    Patent number: D352540
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: November 15, 1994
    Inventor: Jonathan D. Harger