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FLUID PRESSURE OPERATED PROPORTIONING TRANSMITTER AND CONTROLLER
US 3,450,152 A
Filed
: 02/20/1967
Issued
: 06/17/1969
Est. Priority Date
: 02/20/1967
Status: Expired due to Term
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26
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3
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Current Assignee
Unison Industries Limited Partnership
Original Assignee
Phillip E. Ouellette
Inventors
Ouellette, Phillip E.
Application Number
US04/617,171
Time in Patent Office
848 Days
Field of Search
US Class Current
137/414
CPC Class Codes
F15B 13/04
for use with a single servo...
F15C 3/00
Circuit elements having mov...
Y10T 137/7374
Flexible diaphragm valve
Y10T 137/7446
With flow guide or restrictor
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