Patents by Inventor George L. Grant

George L. Grant 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: 6968848
    Abstract: A retractable bristle brush of the type for retracting the bristles into the brush is provided. The retractable bristle brush includes a handle adapted for grasping by a user and an elongated, cylindrical inner mandrel extending from the handle; a plurality of bristles extending outwardly from the inner mandrel; a cylindrical external mandrel is slidably mounted on the inner mandrel, the external mandrel forming a bristle orifice through a top surface thereof in connection with a bristle cavity formed by the external mandrel wherein each associated orifice and bristle cavity disposes at least one bristle; and a mechanism for controlling bristle extension in connection between the external mandrel and the internal mandrel limiting longitudinal movement of the external mandrel between an open position wherein the bristles extend through the orifice and a closed position wherein the bristles are retracted to a position within the bristle cavity proximate the top surface of the external mandrel.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: November 29, 2005
    Inventors: George L. Grant, Leopold M. Grant
  • Publication number: 20040112398
    Abstract: A retractable bristle brush of the type for retracting the bristles into the brush is provided. The retractable bristle brush includes a handle adapted for grasping by a user and an elongated, cylindrical inner mandrel extending from the handle; a plurality of bristles extending outwardly from the inner mandrel; a cylindrical external mandrel is slidably mounted on the inner mandrel, the external mandrel forming a bristle orifice through a top surface thereof in connection with a bristle cavity formed by the external mandrel wherein each associated orifice and bristle cavity disposes at least one bristle; and a mechanism for controlling bristle extension in connection between the external mandrel and the internal mandrel limiting longitudinal movement of the external mandrel between an open position wherein the bristles extend through the orifice and a closed position wherein the bristles are retracted to a position within the bristle cavity proximate the top surface of the external mandrel.
    Type: Application
    Filed: December 13, 2002
    Publication date: June 17, 2004
    Inventors: George L. Grant, Leopold M. Grant