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Electrical fluid-flow measuring apparatus
US 3,019,647 A
Filed
: 08/30/1957
Issued
: 02/06/1962
Est. Priority Date
: 08/30/1957
Status: Expired due to Term
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Current Assignee
Kenneth C. Hudson
,
Richard B. Beard
Original Assignee
Kenneth C. Hudson
,
Richard B. Beard
Inventors
Beard, Richard B.
,
Hudson, Kenneth C.
Application Number
US03/681,384
Time in Patent Office
1,621 Days
Field of Search
US Class Current
73/861.95
CPC Class Codes
G01F 1/7044
using thermal tracers
G01P 5/18
by measuring the time taken...
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