Patents by Inventor Mark E. Roszkowski

Mark E. Roszkowski 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).

  • Vacuum assisted bead pick off apparatus having a spiral plural level surface
    Patent number: 5752138
    Abstract: An apparatus for removing magnetic granules from a moving imaging surface in a region between a developer station and a transfer station is provided. The apparatus includes a removing member located between the developer station and the transfer station. The removing member is rotatable about a longitudinal axis. A groove is located in an exterior surface of the removing member. A portion of the groove extends in a direction skewed to the longitudinal axis of the removing member. The apparatus also includes a a magnetic member which is operatively associated with the removing member. The magnetic member generates a magnetic field to attract the magnetic granules from the imaging surface to the removing member. The removing member and the magnetic member move relatively to one another.
    Type: Grant
    Filed: December 4, 1995
    Date of Patent: May 12, 1998
    Assignee: Xerox Corporation
    Inventors: Joseph M. Wing, Mark E. Roszkowski, Kerry P. Haughan, James F. Lincoln, Robert A. Pictor