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WATER SOFTENER VALVE
US 3,476,151 A
Filed
: 03/18/1968
Issued
: 11/04/1969
Est. Priority Date
: 03/18/1968
Status: Expired due to Term
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3 Citations
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Current Assignee
Lester O. Hegstad
Original Assignee
Lester O. Hegstad
Inventors
Hegstad, Lester O.
Application Number
US04/713,770
Time in Patent Office
596 Days
Field of Search
US Class Current
137/625.29
CPC Class Codes
C02F 1/42
by ion-exchange ion-exchang...
Y10T 137/86726
Valve with bypass connections
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