USD312583SExpiredUtility

Circuit tester

42
Assignee: POLYTRONICS INCPriority: Mar 14, 1988Filed: Mar 14, 1988Granted: Dec 4, 1990
Est. expiryMar 14, 2008(expired)· nominal 20-yr term from priority
Inventors:Harold P. Kopp
42
PatentIndex Score
5
Cited by
5
References
1
Claims

Claims

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

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