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Signal collecting system for radio receivers
US 2,246,385 A
Filed
: 02/19/1940
Issued
: 06/17/1941
Est. Priority Date
: 02/19/1940
Status: Expired due to Term
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Current Assignee
William A. Schaper
Original Assignee
William A. Schaper
Inventors
Schaper, William A.
Application Number
US02/319,672
Time in Patent Office
484 Days
Field of Search
US Class Current
343/748
CPC Class Codes
H03H 2/008
Receiver or amplifier input...
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