Title:
Portable burglar alarm
United States Patent 1562574
Inventors:
Maud, George J.
Publication Date:
11/24/1925
Export Citation:
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Assignee:
Maud, George J.
Primary Class:
340/546
Other Classes:
164/DIG.4, 340/393.2, 340/397.4
International Classes:
G08B13/22; G08B13/22
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