Patents by Inventor Arthur E. Stark

Arthur E. Stark 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: 5187834
    Abstract: A vacuum cleaner apparatus and improved brush housing therefore are provided, wherein the brush housing includes a central inlet directed medially between side walls of the brush housing, with a first and second brush member positioned forwardly and rearwardly of the inlet, wherein the first brush and the second brush include a respective first and second bristle brush matrix, wherein the first brush matrix is canted rearwardly relative to the inlet and the second brush is directed forwardly relative to the inlet to effect trapping of particles for their projection into the brush housing.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: February 23, 1993
    Inventor: Arthur E. Stark