Title:
Watchman tour monitoring system
United States Patent 3237183


Inventors:
Eagan, Richard F.
Application Number:
US33072663A
Publication Date:
02/22/1966
Filing Date:
12/16/1963
Assignee:
SPECIALTIES DEV CORP
Primary Class:
Other Classes:
340/523, 361/166
International Classes:
G07C1/20; G08B21/00
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Other References:
None