USD438774SExpiredUtility

Screwdriver bit

61
Priority: Jun 1, 2000Filed: Jun 1, 2000Granted: Mar 13, 2001
Est. expiryJun 1, 2020(expired)· nominal 20-yr term from priority
Inventors:Jung-Sheng HuangYi-Ming Tung
61
PatentIndex Score
13
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a screwdriver bit, as shown and described.

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