US PATENT SUBCLASS 131 / 294
.~.~ By radiant energy

Current as of: June, 1999
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131 /   HD   TOBACCO

290  DF  TOBACCO TREATMENT {8}
291  DF  .~ Puffing {5}
294.~.~ By radiant energy

DEFINITION

Classification: 131/294

By radiant energy:

(under subclass 291) Process and apparatus wherein the puffing is accomplished by subjecting the tobacco to electromagnetic wave energy.