Patent US3865081 - MAGNETIC BRUSH DEVELOPING APPARATUS

Patents

Inventors: Terrence D. Charland, Terrence D. Charland
Current U.S. Classification: 399/254; 399/267

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US4887132	6 Apr 1984	12 Dec 1989	Eastman Kodak Company	Electrographic development apparatus having a ribbon blender
US7123864	22 Mar 2004	17 Oct 2006	Ricoh Company, Ltd.	Developing device using electrostatic transport member