USD644903SActiveUtility

Screwdriver head

79
Assignee: CHEN BO-SHENPriority: Feb 8, 2010Filed: Aug 6, 2010Granted: Sep 13, 2011
Est. expiryFeb 8, 2030(~3.5 yrs left)· nominal 20-yr term from priority
Inventors:Bo Chen
79
PatentIndex Score
25
Cited by
9
References
1
Claims

Claims

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

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