Patents by Inventor Pat D. Robinson

Pat D. Robinson 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).

  • "Peeper" performance hand held nebuilizer attachment with adjustability of expiratory pressures and expiratory restriction
    Patent number: 5027809
    Abstract: An attachment for a prior art, hand-held, aerosol generating nebulizer, which enables the patient by flexing a flexible hose containing adjustable exhalation holes to control range of passive to active exhalation resistance, and which also contains a one-way valve to prevent medication wastage, and yet, allow the patient to draw in room air as needed. Also, included is a circular or wide oval shaped mouthpiece that allows the patient to inhale freely without the restriction of the conventional flat mouthpiece.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: July 2, 1991
    Inventor: Pat D. Robinson