Patents Represented by Attorney Mark P. Starr

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  • Constant head, magnetic actuated ink jet cartridge for use in an electrostatic ink jet printer
    Patent number: 4319254
    Abstract: A constant head magnetic actuated ink jet cartridge is disclosed wherein a magnetically actuated piston is utilized to raise ink over a fixed height controlling wall and thereby maintain the ink at a constant head in the area of the ink jet nozzle.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: March 9, 1982
    Assignee: Burroughs Corporation
    Inventors: Antoon M. Hurkmans, Douglas R. Arnoldi, Richard A. Sloan, Jr.