USD333794SExpiredUtility

Coating thickness tester

30
Assignee: KETT ELECTRIC LABORATORYPriority: Feb 28, 1990Filed: Jun 7, 1990Granted: Mar 9, 1993
Est. expiryFeb 28, 2010(expired)· nominal 20-yr term from priority
Inventors:Motohiko Emori
30
PatentIndex Score
3
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a coating thickness tester, as shown.

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