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POLICE ALARM
US 3,440,635 A
Filed
: 06/28/1965
Issued
: 04/22/1969
Est. Priority Date
: 06/28/1965
Status: Expired due to Term
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Current Assignee
Harris B. Hull
Original Assignee
Harris B. Hull
Inventors
Hull, Harris B.
Application Number
US04/467,596
Time in Patent Office
1,394 Days
Field of Search
US Class Current
340/539.13
CPC Class Codes
G08B 15/001
Concealed systems, e.g. dis...
G08B 25/016
Personal emergency signalli...
G08B 27/001
Signalling to an emergency ...
H01Q 1/273
Adaptation for carrying or ...
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