Developer mix for electrostatic printing
United States Patent 3345294

Inventors:
Cooper, Robert N.
Publication Date:
10/03/1967
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Assignee:
AMERICAN PHOTOCOPY EQUIP CO
Primary Class:
Other Classes:
430/111.300, 430/106.200, 430/109.500, 430/106.300, 430/122.500, 430/111.400
International Classes:
G03G9/083; G03G9/087; G03G13/09; G03G13/06
US Patent References:
3117884Electrostatic printing process and apparatus
3185777Magnetic recording