USD304288SExpiredUtility

Knife sharpener

45
Assignee: YOUNG RAYMOND APriority: Nov 30, 1987Filed: Nov 30, 1987Granted: Oct 31, 1989
Est. expiryNov 30, 2007(expired)· nominal 20-yr term from priority
Inventors:Raymond Young
45
PatentIndex Score
4
Cited by
17
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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