Patents by Inventor Barbara G. Graham

Barbara G. Graham 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).

  • Dust mop with replaceable electrostatically charged dust collector
    Patent number: 6332234
    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 25, 2001
    Date of Patent: December 25, 2001
    Inventors: Barbara G. Graham, Katherine L. Kilman, Robert L. Graham
  • Dust mop with replaceable electrostatically charged dust collector
    Publication number: 20010047559
    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: Application
    Filed: May 25, 2001
    Publication date: December 6, 2001
    Inventors: Barbara G. Graham, Katherine L. Kilman, Robert L. Graham