Control means in mail separating cancelling and stacking machines
United States Patent 3373685
US Patent References:
/1228460.html
- - 1228460

Stamp-canceling machine
- - 1633245

Printing machine
- - 2342190

/2350703.html
- - 2350703

Record sensing and comparing means
- - 2448830


Inventors:
Adams, Richard C.
Publication Date:
03/19/1968
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Assignee:
FRIDEN INC
Primary Class:
101/235
Other Classes:
101/2, 271/263, 101/247
International Classes:
B07C1/02; B07C1/00
US Patent References:
2551468Double document control for photographing machines
2352802Control system for postage printing machines
2443791Machine for marking letters and the like