USD375241SExpiredUtility
Knife sharpener
Est. expiryMay 31, 2015(expired)· nominal 20-yr term from priority
Inventors:James M. Pigott
74
PatentIndex Score
24
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a knife sharpener, as shown.
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