USD338901SExpiredUtility

Grinding machine

45
Assignee: CHEN CHAO-HSINPriority: Jan 2, 1992Filed: Jan 2, 1992Granted: Aug 31, 1993
Est. expiryJan 2, 2012(expired)· nominal 20-yr term from priority
Inventors:Chao-Hsin Chen
45
PatentIndex Score
6
Cited by
2
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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