Patents by Inventor Robert J. Dusza

Robert J. Dusza 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).

  • Aerosol filter cartridge
    Patent number: 4422861
    Abstract: A circular array of accordian pleated filter material is core and edge sealed, placed in a supporting shell, peripherally sealed thereinplace and capped. Core sealing of the array of filter material is accomplished with a fill of hot melt adhesive and edge sealing with application of a covering strip of the same or a similar hot melt adhesive. An overlay of heat shrinkable tape provides final tight sealing and rigidification of the structure.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: December 27, 1983
    Assignee: American Optical Corporation
    Inventor: Robert J. Dusza
  • Lens tape cutter
    Patent number: 4414872
    Abstract: A lens surface is taped for protection during second side finishing and excess tape is trimmed from the lens with a heated cutting wire.
    Type: Grant
    Filed: April 29, 1981
    Date of Patent: November 15, 1983
    Assignee: American Optical Corporation
    Inventors: George D. Bard, Robert J. Dusza
  • Lens cutter
    Patent number: 4171926
    Abstract: A cutter for edging plastic lenses to desired finished shapes and sizes including a main supporting wheel having an effective cutting edge formed of a multiplicity of circumferentially spaced replaceable cutting blades for clean chip clearance and ready accessibilty to individual removal sharpening and/or replacement as needed.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: October 23, 1979
    Assignee: American Optical Corporation
    Inventor: Robert J. Dusza
  • Lens mold
    Patent number: 4038014
    Abstract: A mold for forming lens blanks to meniscus shapes under applied heat and a force created by partial vacuum. A cupped lens shaping surface in the mold is cushioned and covered with a synthetic fabric for effecting exceptional accuracy in lens blank conformance to shaping surface curvature, optimum surface smoothness and quick release upon completion of a forming cycle.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: July 26, 1977
    Assignee: American Optical Corporation
    Inventors: Robert J. Dusza, Joseph W. Kantorski