US PATENT SUBCLASS 415 / 916
PERPETUAL MOTION DEVICES

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

916PERPETUAL MOTION DEVICES

DEFINITION

Classification: 415/916

PERPETUAL MOTION DEVICES:

Rotary pump* or motor* device which claims to operate in a closed environment without a sustaining energy source.