Patents by Inventor Vernon W. Marquart

Vernon W. Marquart 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
    Patent number: 4441228
    Abstract: A dry mop especially adapted for collecting and pushing dust and fine dirt on or from smooth surfaces includes a plurality of dusting elements, a mop frame and fastening means for holding the dusting elements in a side-by-side relationship to the mop frame. Each dusting element comprises a substantially continuous elongate array of repeating segments of at least three ribbon loops of a dusting fabric.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: April 10, 1984
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Vernon W. Marquart, Walter W. Pawlikowski