Title:
Detecting means for stolen goods
United States Patent 2774060
Inventors:
Thompson, Thomas F.
Publication Date:
12/11/1956
Export Citation:
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Assignee:
Richard, Thompson B.
Dale, Belford
Oliver, Olson D.
Primary Class:
340/572.5
Other Classes:
194/213, 235/488, 235/492, 307/652, 324/236, 331/65, 331/75, 331/181, 342/42, 342/61, 361/171
International Classes:
G01V3/10; G06K7/08; G06K19/067; G08B13/26; G01V3/10; G06K7/08; G06K19/067; G08B13/22
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US Patent References:
2411247Electric oscillator and oscillator controlled relay circuit
2368953Electric control system
2325927Speed indicator
2294751Record card controlled machine
2150440Magnetic and resonator selector for carrier conveyers
1971549Bandit alarm
1855569High speed telegraph transmitter