Photosensitive currency testing device
United States Patent 3109100

Inventors:
Gecewicz, Norbert A.
Publication Date:
10/29/1963
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Assignee:
AUTOMATIC CANTEEN CO
Primary Class:
Other Classes:
194/207, 250/215, 250/208.400, 209/534
International Classes:
G07D7/00
US Patent References:
2967452Currency testing and selecting device