Patents Represented by Attorney, Agent or Law Firm G. M. Graham
  • Patent number: 6468479
    Abstract: A solid-state chlorine dioxide generator for generating an aqueous solution of chlorine dioxide is formed within a block and includes (a) an eductor for establishing a vacuum, and (b) a reaction column for producing chlorine dioxide from precursor chemicals. The eductor has a water stream flowing there throughwhich establishes a vacuum and draws the chlorine dioxide from the reaction column into the water stream to form aqueous chlorine dioxide. The reaction column has a transition zone of increasing flow area wherein the precursor chemicals thoroughly mix resulting in conversion efficiencies of precursors into chlorine dioxide of 95% and above.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: October 22, 2002
    Assignee: Sabre Oxidation Technologies, Inc.
    Inventors: John Y. Mason, Gary W. Kielman, William R. Griffin, Dorman N. Mitchim
  • Patent number: 6243909
    Abstract: A dust mop features a dust collector layer made of electrostatically charged nonwoven fabric. The electrostatic charge (a) enables the dust collector to be detachably mounted to the mop head by electrostatic cling; and (b) improves the dust collecting ability of the dust collector.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: June 12, 2001
    Inventors: Barbara Graham, Katherine L. Kilman, Robert L. Graham
  • Patent number: 5791844
    Abstract: An improved winch crank assembly for use on typical flatbed trailers whereon cargo is secured using flexible straps is described. The present invention permits the rapid winding of the straps onto the winch and reduces the time required for winding the straps by tenfold or more. The present winch crank assembly comprises a portable crank assembly wherein a single crank can be used to wind the straps onto a plurality of winches on a single trailer. In addition, the portability allows the user to conveniently carry the crank for use on other truck trailers.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: August 11, 1998
    Inventor: Robert D. Anderson