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Electromagnetic motion responsive device
US 2,564,221 A
Filed
: 01/22/1948
Issued
: 08/14/1951
Est. Priority Date
: 01/22/1948
Status: Expired due to Term
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Current Assignee
Anthony J. Hornfeck
Original Assignee
Anthony J. Hornfeck
Inventors
Hornfeck, Anthony J.
Application Number
US03/003,666
Time in Patent Office
1,300 Days
Field of Search
US Class Current
336/30
CPC Class Codes
G01D 5/2258
by a movable ferromagnetic ...
G05B 1/025
using inductance means
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