USD303209SExpiredUtility
Knife sharpener
Est. expirySep 19, 2006(expired)· nominal 20-yr term from priority
Inventors:Daniel D. Friel, Sr.
97
PatentIndex Score
56
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4
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1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a knife sharpener, as shown and described.
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