Copying machine
United States Patent 3318219
US Patent References:
Electrophotographic apparatus
- - 2600580
Continuous printing device
- - 2917985
Image reproduction apparatus
- - 3085488
Apparatus for transferring powder images and method therefor
- - 3093039
Electrophotographic apparatus
- - 2600580
Continuous printing device
- - 2917985
Image reproduction apparatus
- - 3085488
Apparatus for transferring powder images and method therefor
- - 3093039
Inventors:
Anderson, Donald F.
Publication Date:
05/09/1967
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Export Citation:
Assignee:
MINNESOTA MINING & MFG
Primary Class:
Other Classes:
355/112, 355/91, 355/102
International Classes:
G03B27/30; G03B27/02