Patents by Inventor Norman E. McGrew

Norman E. McGrew 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).

  • Slash burning
    Patent number: 4247281
    Abstract: The specification discloses a dispenser carried by a helicopter for dispensing a jelly-like mixture of aluma gel and gasoline. The dispenser has a frame carrying a barrel containing the mixture. A pump on the frame pumps the mixture through a nozzle from which the mixture drops and igniting electrodes ignite the jelly-like mixture which contracts into a flaming ball and drops on slash to be burned.
    Type: Grant
    Filed: June 7, 1979
    Date of Patent: January 27, 1981
    Assignee: Western Helicopter Services, Inc.
    Inventors: Norman E. McGrew, Ralph S. Grow