Patents by Inventor Ronald E. Sontag

Ronald E. Sontag 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: 6394400
    Abstract: A versatile frame to facilitate the holding open of a plastic bag. The invention facilitates a single individual in emptying food and liquids into a plastic or other flexible bag without spilling its contents. The device takes the shape of a topless barrel truncated along a vertical plane through each of two opposite sides of the barrel. The bottom is horizontally extendable and the walls are vertically extendable, each having multiple locking positions. The device can be disassembled and stored in a substantially L-shaped arrangement for economy of space. The present invention can accommodate bags having various volumes. The device also features a stand, including a plurality of rubber feet to improve traction, as well as upper rims capped with a rubbery material to facilitate the grip on the opening circumference of a plastic bag. Other embodiments include a bookcase shaped device with adjustable height sides.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: May 28, 2002
    Inventor: Ronald E. Sontag
  • Patent number: D339242
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: September 14, 1993
    Inventors: Ronald E. Sontag, Randall G. Walker