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Two-way solenoid
US 3,022,400 A
Filed
: 06/27/1957
Issued
: 02/20/1962
Est. Priority Date
: 06/27/1957
Status: Expired due to Term
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Current Assignee
Von Ahlefeldt Rolf S
Original Assignee
Von Ahlefeldt Rolf S
Inventors
VON AHLEFELDT ROLF S
Application Number
US03/668,379
Time in Patent Office
1,699 Days
Field of Search
US Class Current
335/81
CPC Class Codes
H01F 7/122
by permanent magnets H01F7/...
H01F 7/1615
Armatures or stationary par...
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