USD374804SExpiredUtility
Knife sharpener
Est. expiryFeb 21, 2015(expired)· nominal 20-yr term from priority
Inventors:Jeffrey T. Hughes
32
PatentIndex Score
2
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a knife sharpener, as shown and described.
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