Title:
Fingerprint control system
United States Patent 3398558
US Patent References:
Relay
- - 2041079

Machine tool with photoelectric positioning of the work table
- - 2406299

Lock apparatus
- - 2936607

Control device
- - 3201961


Inventors:
Salvatore, Benenati
Publication Date:
08/27/1968
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Primary Class:
70/277
Other Classes:
356/71, 382/124
International Classes:
G07C9/00
Foreign References:
FR998272A