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Automatic range-shifting voltmeter
US 2,606,943 A
Filed
: 02/06/1947
Issued
: 08/12/1952
Est. Priority Date
: 02/06/1947
Status: Expired due to Term
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Current Assignee
John L. Barker
Original Assignee
John L. Barker
Inventors
Barker, John L.
Application Number
US02/726,826
Time in Patent Office
2,014 Days
Field of Search
US Class Current
324/115
CPC Class Codes
G01R 15/09
Autoranging circuits
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