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Voltage ratio indicator
US 2,823,351 A
Filed
: 11/14/1945
Issued
: 02/11/1958
Est. Priority Date
: 11/14/1945
Status: Expired due to Term
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Current Assignee
Robert M. Page
Original Assignee
Robert M. Page
Inventors
Page, Robert M.
Application Number
US02/628,623
Time in Patent Office
4,472 Days
Field of Search
US Class Current
324/99.00R
CPC Class Codes
G05B 1/022
using discharge tubes
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