USD316662SExpiredUtility

Knife sharpener

Assignee: CHERNIAK STEVEPriority: Nov 5, 1987Filed: Apr 29, 1988Granted: May 7, 1991
Est. expiryNov 5, 2007(expired)· nominal 20-yr term from priority
Inventors:Steve Cherniak
44
PatentIndex Score
9
Cited by
9
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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