Automatic toner control system
United States Patent 3348521
US Patent References:
Electrostatic printing
- - 2956487

Xerographic developer measuring apparatus
- - 3094049

Toner control system
- - 3233781


Inventors:
Hawk, Samuel A.
Publication Date:
10/24/1967
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Assignee:
XEROX CORP
Primary Class:
399/60
International Classes:
G03G15/08