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Fluid pressure control valve
US 2,876,797 A
Filed
: 05/16/1957
Issued
: 03/10/1959
Est. Priority Date
: 05/16/1957
Status: Expired due to Term
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Current Assignee
John H. Edman
Original Assignee
John H. Edman
Inventors
Edman, John H.
Application Number
US03/659,680
Time in Patent Office
663 Days
Field of Search
US Class Current
137/625.69
CPC Class Codes
F15B 13/04
for use with a single servo...
F16K 11/07
with cylindrical slides
Y10T 137/8671
With annular passage [e.g.,...
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