Patents by Inventor Brian Dunning

Brian Dunning 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).

  • Enhanced electrical shocking device with improved long life and increased power circuitry
    Patent number: 4872084
    Abstract: An improved stun-gun or electrical shock device which includes improved circuit elements to eliminate the frequent product failure due to corrosion and pitting of an internal spark gap as found in prior art electrical shocking devices. The conventional internal spark gap found in prior art stun-guns is replaced with a pair of surge arrestors, thereby eliminating the problems caused by corrosion and pitting of the internal spark gap which has caused prior art stun-guns to have a limited life and fail.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: October 3, 1989
    Assignee: U.S. Protectors, Inc.
    Inventors: Brian Dunning, A. R. Mansfield