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Radio operated fire alarm
US 2,566,121 A
Filed
: 04/08/1948
Issued
: 08/28/1951
Est. Priority Date
: 04/08/1948
Status: Expired due to Term
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Current Assignee
Donald P. Decker
Original Assignee
Donald P. Decker
Inventors
Decker, Donald P.
Application Number
US03/019,663
Time in Patent Office
1,237 Days
Field of Search
US Class Current
340/288
CPC Class Codes
H04B 1/034
Portable transmitters
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