USD503080SExpiredUtility
Screwdriver
Priority: Oct 31, 2003Filed: Oct 31, 2003Granted: Mar 22, 2005
Est. expiryOct 31, 2023(expired)· nominal 20-yr term from priority
Inventors:Chang-Ying Chen
72
PatentIndex Score
17
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a screwdriver, as shown and described.
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