US PATENT SUBCLASS 440 / 16
.~ Moving wave propeller

Current as of: June, 1999
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440 /   HD   MARINE PROPULSION

13  DF  OSCILLATING PROPELLING MEANS {3}
16.~ Moving wave propeller

DEFINITION

Classification: 440/16

Moving wave propeller:

(under subclass 13) Device wherein the propelling means comprises a structure which undulates in the manner of a traveling wave.