US PATENT SUBCLASS 290 / 1 E
.~ Spring motor

Current as of: June, 1999
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290 /   HD   PRIME-MOVER DYNAMO PLANTS

1 R  DF  MISCELLANEOUS {5}
1 E.~ Spring motor

Unofficial Alpha Subclasses: R A B C D E

DEFINITION

Classification: 290/1

(under the class definition) Inventions not otherwise classified.