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US 2,857,591 A
Filed
: 09/04/1943
Issued
: 10/21/1958
Est. Priority Date
: 09/04/1943
Status: Expired due to Term
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Current Assignee
George W. Nagel
Original Assignee
George W. Nagel
Inventors
Nagel, George W.
Application Number
US02/501,297
Time in Patent Office
5,526 Days
Field of Search
US Class Current
342/138
CPC Class Codes
G01S 1/02
using radio waves G01S19/00...
G01S 13/103
particularities of the meas...
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