USD317554SExpiredUtility
Knife sharpener
Individually held — no corporate assignee on recordPriority: Jun 6, 1988Filed: Jun 6, 1988Granted: Jun 18, 1991
Est. expiryJun 6, 2008(expired)· nominal 20-yr term from priority
Inventors:Raymond Young
46
PatentIndex Score
4
Cited by
9
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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