Patents by Inventor Edward J. Bunke

Edward J. Bunke 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: 4014063
    Abstract: A hollow cylinder is open at one end and closed at the other. A first ring shaped cleaning brush having an outer diameter essentially equal to the inner diameter of the cylinder is disposed concentrically within the cylinder abutting the closed end and has a first inner diameter. A second ring shaped cleaning brush having a like outer diameter and a second inner diameter larger than the first inner diameter is disposed concentrically within the cylinder abutting the first brush. A third ring shaped cleaning brush having a like outer diameter and a third inner diameter larger than the second inner diameter, is disposed concentrically within the cylinder abutting the second brush and the open end of the cylinder. Each of said brushes having four equidistantly disposed radial slots therein. The slots, of adjacent brushes being aligned and dividing the brushes into four quadrants.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: March 29, 1977
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Edward J. Bunke