Patents by Inventor Sandra H. Grinnell

Sandra H. Grinnell 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: 5297848
    Abstract: An apparatus is provided for supporting a seated person. A seatrest cushion, supported by a chair seat, has a back edge and an upward facing convex surface for receiving the thighs and buttocks of the seated person. A backrest cushion has a horizontal bottom edge and an outward facing convex surface for receiving the back of the seated person. A flexible attachment strip tethers the back edge of the seatrest cushion to the bottom edge of the backrest cushion and is capable of being folded or unfolded for moving the cushions closer together or farther apart, respectively. The backrest cushion is positionable over a wide range of angles with respect to the seatrest cushion for supporting a person in a partially reclined orientation. The strip supports the cushions in alignment. An adjustable carrying strap is attached to the attachment strip for carrying the apparatus.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: March 29, 1994
    Inventor: Sandra H. Grinnell