US PATENT SUBCLASS 600 / 539
.~.~.~ Element rotated by breath flow

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
529  DF  .~ Respiratory {8}
538  DF  .~.~ Measuring breath flow or lung capacity {2}
539.~.~.~ Element rotated by breath flow

DEFINITION

Classification: 600/539

Element rotated by breath flow:

(under subclass 538) Subject matter wherein breath flow is measured by means of a rotatable element against which breath is impinged.