Patents by Inventor Francis Jackson Keys

Francis Jackson Keys 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).

  • Sleeping nook for house pet
    Patent number: 4008687
    Abstract: An oversized slipper is adapted to provide a sleeping nook for a house pet. The heel of the sole is provided with a fastener portion on the outer end thereof so that when the heel portion of the sole is turned up it can be fastened to a mating fastener portion on the upper edge of the vamp of the slipper to provide an enclosure which serves as a sleeping nook for a house pet.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: February 22, 1977
    Inventor: Francis Jackson Keys