Patents by Inventor John O. Pearce

John O. Pearce 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).

  • Dispensers for powdered medication
    Patent number: 5070870
    Abstract: A dispenser (10) for powdered medication comprising a housing (50) for piercing a capsule containing powdered medication, a generally cylindrical member (30) adapted to receive the capsule and in which the capsule can rotate freely to release the powdered medication, and a mouthpiece (20) through which the powdered medication can be drawn from the chamber (30), in which the chamber has three air inlets (37, 38, 39) spaced around the cylindrical wall of the chamber.
    Type: Grant
    Filed: August 22, 1990
    Date of Patent: December 10, 1991
    Inventor: John O. Pearce