US PATENT SUBCLASS 144 / 253.91
.~ Knife edge

Current as of: June, 1999
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144 /   HD   WOODWORKING

253.1  DF  WORK GUIDE {6}
253.91.~ Knife edge

DEFINITION

Classification: 144/253.91

Knife edge:

(under subclass 253.1) Work guide comprising a thin, bladelike member.