Patents by Inventor David J. Greubel

David J. Greubel 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 adapter
    Patent number: 6836923
    Abstract: An adapter for use with a dust mop having an annular frame pivotally coupled to a handle and including a cover for removable attachment to the frame and defining a lower surface covering a bottom surface of the frame and an upper surface defining first and second receiver portions for receiving first and second end portions of the frame.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: January 4, 2005
    Assignee: Harper Corporation
    Inventors: Terrence P. Treacy, David J. Greubel
  • Dust mop adapter
    Publication number: 20040055102
    Abstract: An adapter for use with a dust mop having an annular frame pivotally coupled to a handle and including a cover for removable attachment to the frame and defining a lower surface covering a bottom surface of the frame and an upper surface defining first and second receiver portions for receiving first and second end portions of the frame.
    Type: Application
    Filed: September 23, 2002
    Publication date: March 25, 2004
    Applicant: Harper Corporation
    Inventors: Terrence P. Treacy, David J. Greubel