US PATENT SUBCLASS 186 / 9
.~.~.~ Speed increasing

Current as of: June, 1999
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186 /   HD   MERCHANDISING

35  DF  CUSTOMER SERVICE {4}
52  DF  .~ Store service {16}
8  DF  .~.~ Single-impulse systems {4}
9.~.~.~ Speed increasing

DEFINITION

Classification: 186/9

The car is impelled usually by hand, but with speed increasing means interposed between the power and the car.