Title:
Burglar alarm systems
United States Patent 3408642
US Patent References:
/0791961.html
- - 0791961

/1290644.html
- - 1290644

Control device
- - 1923968

Electric control device
- - 2606237

Use prevention circuit and apparatus
- - 2843843


Inventors:
Palladino, Robert A.
Publication Date:
10/29/1968
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Primary Class:
340/510
Other Classes:
340/533, 340/825.370, 340/543, 340/693.100, 340/528, 340/523, 340/516, 340/825.560
International Classes:
G08B13/22
US Patent References:
2855588Combination lock and burglar alarm
2964733Automobiles or like vehicles fitted with theft prevention devices
3024452Multi-digit electrical door lock
3029420Network for monitoring alarm systems
3128414Permutation control device




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