USD447756SExpiredUtility

Grinding machine

48
Priority: Nov 20, 2000Filed: Nov 20, 2000Granted: Sep 11, 2001
Est. expiryNov 20, 2020(expired)· nominal 20-yr term from priority
Inventors:Tian Wang Wang
48
PatentIndex Score
6
Cited by
3
References
1
Claims

Claims

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

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