USD435774SExpiredUtility

Screw driver

36
Assignee: CHEN KUEN JENPriority: Feb 7, 2000Filed: Feb 7, 2000Granted: Jan 2, 2001
Est. expiryFeb 7, 2020(expired)· nominal 20-yr term from priority
Inventors:Kuen Jen Chen
36
PatentIndex Score
5
Cited by
8
References
1
Claims

Claims

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

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