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METHOD AND APPARATUS FOR MEASURING LIQUID VOLUME IN A TANK
US 3,540,275 A
Filed
: 02/28/1968
Issued
: 11/17/1970
Est. Priority Date
: 02/28/1968
Status: Expired due to Term
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23
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Current Assignee
Litton Systems Incorporated
(Northrop Grumman Corporation)
Original Assignee
Robert E. Post
,
Robert G. Brown
Inventors
Post, Robert E.
,
Brown, Robert G.
Application Number
US04/708,908
Time in Patent Office
993 Days
Field of Search
US Class Current
73/290.00V
CPC Class Codes
G01F 23/284
Electromagnetic waves
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