Patents by Inventor Leslie P. Williams, deceased

Leslie P. Williams, deceased 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: 5779159
    Abstract: A fire fighting nozzle wherein an additive fluid, such as foam concentrate or other liquid or gas, is supplied to a fluid passageway located peripherally along portions of a nozzle barrel wall and is discharged proximate the barrel discharge end, and preferably including educting the additive fluid into the nozzle using flow of the liquid through the barrel.
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: July 14, 1998
    Inventors: Leslie P. Williams, deceased, by Dwight Williams