Over-reamer drilling tool for pilot bit

Details Over-reamer drilling tool for pilot bit Over-reamer drilling tool for pilot bit

2003-03-04

2003-12-02

Siegel, Mitchell (Department: 2912)

Machines not elsewhere specified

Agricultural or construction machinery

Drilling, mining, or soil treatment

Design Patent

active

D0483042

CLAIM:
The ornamental design for an over-reamer drilling tool for pilot bit, as shown and described.

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