Patents by Inventor John Alexander Christie

John Alexander Christie 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).

  • Device for administering pharmaceutical substances
    Patent number: 5819730
    Abstract: The present invention relates to a device for administering pharmaceutical substances by spraying the contents of a container formed of plastics material. The device comprises a pair of members between which is supported the container, the members being movable relative to each other between a first position in which the container is not compressed sufficiently to burst it and a second position in which the members are capable of exerting sufficient pressure on the container to burst it and expel the contents through a discharge outlet.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: October 13, 1998
    Assignee: Glaxo Wellcome Australia Ltd.
    Inventors: Robert Stone, Lynn Michelle Lockett, Ingo Helmuth Riedel, John Ernest Oretti, John Alexander Christie