Patents by Inventor Harold George Wilkinson

Harold George Wilkinson 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 the administration of powders
    Patent number: 3980074
    Abstract: A device for the oral inhalation of large quantities of finely divided powders for bronchoradiography has an elongate housing attached to a container and having air vents situated so that the intake of breath by the user of the device causes a vortex of air within the housing.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: September 14, 1976
    Assignee: Beecham Group Limited
    Inventors: Peter Ridgway Watt, Harold George Wilkinson