Title:
Burglar alarm systems
United States Patent 3408642
Inventors:
Palladino, Robert A.
Publication Date:
10/29/1968
Export Citation:
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Primary Class:
340/510
Other Classes:
340/6.11, 340/11.1, 340/516, 340/523, 340/528, 340/533, 340/541, 340/543, 340/693.1
International Classes:
G08B13/22; G08B13/22
View Patent Images:
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US Patent References:
3128414Permutation control device
3029420Network for monitoring alarm systems
3024452Multi-digit electrical door lock
2964733Automobiles or like vehicles fitted with theft prevention devices
2855588Combination lock and burglar alarm
2843843Use prevention circuit and apparatus
2606237Electric control device
1923968Control device
1290644N/A
0791961N/A




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