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Inductive control system for railroads
US 2,817,012 A
Filed
: 02/20/1952
Issued
: 12/17/1957
Est. Priority Date
: 02/20/1952
Status: Expired due to Term
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Current Assignee
Hugh C. Kendall
Original Assignee
Hugh C. Kendall
Inventors
Kendall, Hugh C.
Application Number
US03/272,571
Time in Patent Office
2,127 Days
Field of Search
US Class Current
246/124
CPC Class Codes
B61L 25/04
Indicating or recording tra...
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