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ELECTROPNEUMATIC VALVE POSITIONER
US 3,462,115 A
Filed
: 05/14/1965
Issued
: 08/19/1969
Est. Priority Date
: 05/14/1965
Status: Expired due to Term
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Current Assignee
George E. Barker
Original Assignee
George E. Barker
Inventors
Barker, George E.
Application Number
US04/455,797
Time in Patent Office
1,558 Days
Field of Search
US Class Current
251/29
CPC Class Codes
F16K 31/0658
Armature and valve member b...
F16K 31/0665
with valve member being at ...
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