Patents by Inventor Michael A. Wawsczyk

Michael A. Wawsczyk 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: 5030997
    Abstract: A toner supply and dispensing cartridge for use with a xerographic copying machine. The cartridge includes a cylinder which contains a supply of particulate toner material, the cylinder having a plurality of toner dispensing ports formed along the longitudinal axis of the cylinder. The cylinder is supported for rotation at both ends and includes a freely riding multi-cup scoop extending the length of the cylinder and disposed inside for dispensing the toner material, said scoop preferably having an approximately cross-shaped cross-section. Preferably, at least part of the cartridge is formed of a transparent or translucent material so that the level of toner material remaining inside may be easily determined.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: July 9, 1991
    Assignee: Universal Developer and Manufacturing Co.
    Inventors: Norman Michlin, Michael A. Wawsczyk