US PATENT SUBCLASS 111 / 198
.~.~.~ Chain

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
190  DF  .~ Furrow closer {2}
197  DF  .~.~ Drag {1}
198.~.~.~ Chain

DEFINITION

Classification: 111/198

Chain:

(under subclass 197) Apparatus wherein the furrow-closing member is a series of interconnected links.