Security system for controlling entrance to a restricted area

IL39091A0Inactive Publication Date: 1972-08-30ADT SECURITY SERVICES INC
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Patent Information

Application Number
IL39091
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1971-04-05
Filing Date
1972-03-27
Publication Date
1972-08-30
Estimated Expiration
Not applicable · inactive patent
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