US PATENT SUBCLASS 180 / 411
.~.~ Independently controlled steerable wheels

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

400  DF  STEERING GEAR {8}
408  DF  .~ Each wheel steerable {5}
411.~.~ Independently controlled steerable wheels

DEFINITION

Classification: 180/411

Independently controlled steerable wheels:

(under subclass 408) Subject matter wherein each wheel can be independently steered or controlled.