US PATENT SUBCLASS 111 / 178
.~.~.~ Roll or drum

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
170  DF  .~ Having depositor feature {5}
177  DF  .~.~ Rotating dispensing element {2}
178.~.~.~ Roll or drum {1}
179  DF  .~.~.~.~> Air pressure differential drum {3}

DEFINITION

Classification: 111/178

Roll or drum:

(under subclass 177) Apparatus wherein the rotating dispenser is at least one cylinder which extends across an outlet of the source of supply.