Drill bit

Details Drill bit Drill bit

2000-09-29

2002-03-05

Davis, Antoine Duval (Department: 2913)

Machines not elsewhere specified

Material working, abrading, or founding machinery

Element or attachment

Design Patent

active

D0454143

CLAIM:
The ornamental design for a drill bit, as shown and described.

REFERENCES:
patent: 5366032 (1994-11-01), Kay
patent: D382887 (1997-08-01), Hollar et al.
patent: 6105693 (2000-08-01), Ingmarsson
patent: 6276467 (2001-08-01), Ingmarsson

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