USD473777SExpiredUtility

Knife sharpener

69
Priority: Apr 29, 2002Filed: Apr 29, 2002Granted: Apr 29, 2003
Est. expiryApr 29, 2022(expired)· nominal 20-yr term from priority
Inventors:Ted ThompsonAmir M. NeshatBrian Butts
69
PatentIndex Score
18
Cited by
7
References
1
Claims

Claims

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

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