US PATENT SUBCLASS 144 / 67
.~ Multiple chisel


Current as of: June, 1999
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144 /   HD   WOODWORKING

75  DF  MORTISING MACHINE HAVING CHISEL {5}
67.~ Multiple chisel {1}
68  DF  .~.~> Portable


DEFINITION

Classification: 144/67

Multiple chisel:

(under subclass 75) Chisel mortising machine in which there are several chisels with means for operating them.