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ENERGY CONSERVATIVE CONTROL DRIVE FOR ELECTRIC VEHICLES
US 3,454,122 A
Filed
: 05/29/1967
Issued
: 07/08/1969
Est. Priority Date
: 05/29/1967
Status: Expired due to Term
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Current Assignee
Charles B. Grady Jr
Original Assignee
Charles B. Grady Jr
Inventors
Grady, Charles B. Jr.
Application Number
US04/642,117
Time in Patent Office
771 Days
Field of Search
US Class Current
180/65.1
CPC Class Codes
B60L 2200/26
Rail vehicles
B60L 50/52
characterised by DC-motors
H02P 7/2885
whereby the speed is regula...
Y02T 10/64
Electric machine technologi...
Y02T 10/70
Energy storage systems for ...
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