US PATENT SUBCLASS 91 / 36
.~ Of independently movable working members

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

35  DF  INDEPENDENTLY OPERATED TIMER, DELAY, PATTERN OR CYCLIC CONTROL {4}
36.~ Of independently movable working members

DEFINITION

Classification: 91/36

(under subclass 35) Apparatus including a plurality of working members, each being capable of movement independent of the other, and each being provided with independently operable timing, delay, pattern or cyclic control.