US PATENT SUBCLASS 81 / 76
.~.~.~ Internal

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
74  DF  .~ Wheel or endless track operated {1}
75  DF  .~.~ Hub-rim grasp {1}
76.~.~.~ Internal

DEFINITION

Classification: 81/76

The wrench grips the interior of the hub-rim.