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Automatic frequency control system
US 3,418,595 A
Filed
: 07/28/1967
Issued
: 12/24/1968
Est. Priority Date
: 07/28/1967
Status: Expired due to Term
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Current Assignee
Loewenstern J.R. Walter
Original Assignee
Loewenstern J.R. Walter
Inventors
LOEWENSTERN JR WALTER
Application Number
US04/656,724
Time in Patent Office
515 Days
Field of Search
US Class Current
331/9
CPC Class Codes
H03L 7/14
for assuring constant frequ...
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