Drill bit

Details Drill bit Drill bit

2006-06-20

2006-06-20

Watson, Gary D. (Department: 2915)

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

Design Patent

active

D0523313

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

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Wood bits, p. 59, 1930 Simmons, Hardware Co. catalogue.

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