USD480620SExpiredUtility

Grinding tool

45
Priority: Dec 31, 2002Filed: Dec 31, 2002Granted: Oct 14, 2003
Est. expiryDec 31, 2022(expired)· nominal 20-yr term from priority
Inventors:Hsieh-Min Tu
45
PatentIndex Score
8
Cited by
8
References
1
Claims

Claims

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

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