Patents by Inventor Paul Francis Keller

Paul Francis Keller 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).

  • In-ground blind
    Patent number: 9648867
    Abstract: A portable pit-type hunting blind of thermoplastic exterior which can be carried and placed into a dug hole, providing a securable preserved cavity of variable depth, and rotatable seat proximate to the earth's surface.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 16, 2017
    Inventor: Paul Francis Keller