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System of transmitting signal indications from railway signaling devices to vehiclesand for controlling same
US 2,606,281 A
Filed
: 03/03/1948
Issued
: 08/05/1952
Est. Priority Date
: 03/03/1948
Status: Expired due to Term
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Current Assignee
Charles A. Crouch
,
Lilburn R. Thomas
Original Assignee
Charles A. Crouch
,
Lilburn R. Thomas
Inventors
Thomas, Lilburn R.
,
Crouch, Charles A.
Application Number
US03/012,874
Time in Patent Office
1,616 Days
Field of Search
US Class Current
246/29.00R
CPC Class Codes
B61L 3/125
using short-range radio tra...
Y10T 137/86421
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