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MEANS FOR DIRECTING A VEHICLE,NORMALLY UNDER THE CONTROL OF A GUIDANCE SYSTEM,TO FOLLOW A PROGRAMMED PATH INDEPENDENT OF THE GUIDANCE SYSTEM
US 3,507,349 A
Filed
: 01/16/1968
Issued
: 04/21/1970
Est. Priority Date
: 01/16/1968
Status: Expired due to Term
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Current Assignee
Arthur J. Critchlow
,
Donald T. Comer
Original Assignee
Arthur J. Critchlow
,
Donald T. Comer
Inventors
Comer, Donald T.
,
Critchlow, Arthur J.
Application Number
US04/698,217
Time in Patent Office
826 Days
Field of Search
US Class Current
180/168
CPC Class Codes
G05D 1/0265
using buried wires
G05D 1/0272
comprising means for regist...
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