Title:
Magnetic-brush developer
United States Patent 2904000

Inventors:
Fisher, James L.
Hilderbrand, James N.
Publication Date:
09/15/1959
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Assignee:
CENTURY GEOPHYSICAL CORP
Primary Class:
399/260
Other Classes:
222/565, 222/DIG.001, 347/140, 118/308, 312/326, 222/161, 399/267
International Classes:
G03G15/09
US Patent References:
2776787Can closure
2786440Electrophotographic developing apparatus
2811134Apparatus for preventing flock build-up on a flocking machine electrode