Patents by Inventor Phillip Barr

Phillip Barr 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).

  • Patent number: 4966317
    Abstract: A portable device for dispensation of compressed gas in discrete bursts. The device includes a support frame, a cylinder punch assembly, an adjustable cylinder table, a rotatable knob to adjust the table and a trigger-operated nozzle. The punch assembly permits puncture of a cylinder of compressed gas that is supported on the adjustable cylinder table.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: October 30, 1990
    Inventor: Phillip Barr