USD257328SExpiredUtility

Electronic metal wall scanner

44
Individually held — no corporate assignee on recordPriority: Jul 10, 1978Filed: Jul 10, 1978Granted: Oct 14, 1980
Est. expiryJul 10, 1998(expired)· nominal 20-yr term from priority
Inventors:Frederic W. Schwartz
44
PatentIndex Score
3
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic metal wall scanner, as shown.

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