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Manual-automatic apparatus for fluid pressure control
US 2,729,222 A
Filed
: 10/15/1951
Issued
: 01/03/1956
Est. Priority Date
: 10/15/1951
Status: Expired due to Term
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Current Assignee
Harry E. Weaver
,
Harvard H. Gorrie
,
Jack F. Shannon
,
Paul S. Dickey
Original Assignee
Harry E. Weaver
,
Harvard H. Gorrie
,
Jack F. Shannon
,
Paul S. Dickey
Inventors
Dickey, Paul S.
,
Weaver, Harry E.
,
Gorrie, Harvard H.
,
Shannon, Jack F.
Application Number
US03/251,406
Time in Patent Office
1,541 Days
Field of Search
US Class Current
137/82
CPC Class Codes
G05D 16/18
derived from an external so...
Y10S 137/90
Bumpless manual to automati...
Y10T 137/2278
Pressure modulating relays ...
Y10T 137/86397
With independent valve cont...
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