Patents Represented by Attorney John Gorman

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  • Passive dosing dispenser employing captive air bubble to provide product isolation
    Patent number: 4305162
    Abstract: A passive dosing dispenser for issuing, for example, a volume of a toilet tank additive solution into a toilet tank as the water is draining therefrom while the toilet is flushing.
    Type: Grant
    Filed: November 10, 1980
    Date of Patent: December 15, 1981
    Assignee: The Procter & Gamble Company
    Inventors: William Cornelisse, Jr., Robert H. Callicott, Michael A. Brunsman