Patents by Inventor James B. Sherrod

James B. Sherrod 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).

  • Portable CPR breathing apparatus
    Patent number: 5979444
    Abstract: A breathing assisting device. The device includes a face mask and an oxygen dispenser which alternately injects oxygen (i) into the mask during an inhalation phase, and (ii) into a conveying piece which in turn conveys the oxygen through the mask during an exhalation phase in a manner which produces a subatmospheric pressure, or suction, within the mask during the exhalation phase, thereby assisting the user with both inhalation and exhalation.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: November 9, 1999
    Inventor: James B. Sherrod