Title:
Control device
United States Patent 3201961
US Patent References:
/0511668.html
- - 0511668

Lock
- - 1941150

Refrigerator door control
- - 2893726

Lock apparatus
- - 2936607

Electronic key-card system
- - 3029345


Inventors:
Williams, Holland V.
Hindman, Daniel T.
Publication Date:
08/24/1965
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Assignee:
FINGER KEYS INC
Primary Class:
70/277
Other Classes:
356/71, 382/124
International Classes:
G07C9/00
Foreign References:
FR998272A