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FAIL-SAFE ELECTRONIC CIRCUIT ARRANGEMENT
US 3,527,986 A
Filed
: 08/11/1967
Issued
: 09/08/1970
Est. Priority Date
: 08/11/1967
Status: Expired due to Term
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Current Assignee
Darrow John O. G.
Original Assignee
Darrow John O. G.
Inventors
DARROW JOHN O G
Application Number
US04/660,118
Time in Patent Office
1,124 Days
Field of Search
US Class Current
361/91.4
CPC Class Codes
G01P 1/103
by comparing the value of t...
G05B 9/02
electric
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