US PATENT SUBCLASS 76 / *
TOOL SHARPENERS

Current as of: June, 1999
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76 /   HD   METAL TOOLS AND IMPLEMENTS, MAKING

*TOOL SHARPENERS {4}
81  DF  .~> Stropping devices {5}
82  DF  .~> Cutting {7}
89.1  DF  .~> Edge-serrating
89.2  DF  .~> Swaging