Patents by Inventor Stephen Tullman

Stephen Tullman 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).

  • Variable volume container
    Patent number: 4881666
    Abstract: A container for dispensing carbonated beverages and fluids sensitive to oxidation is provided. The dispenser contains a follower which communicates with the ambient environment through a one-way valve. The dispenser preferably includes a liquid flow rate and a flow velocity regulator to control the rate and velocity at which liquid is dispensed therefrom.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: November 21, 1989
    Inventors: Robert Tullman, Stephen Tullman