USD308541SExpiredUtility

Foreign language teaching aid

36
Individually held — no corporate assignee on recordPriority: Jul 10, 1986Filed: Jul 10, 1986Granted: Jun 12, 1990
Est. expiryJul 10, 2006(expired)· nominal 20-yr term from priority
Inventors:Fred J. Wattenmaker
36
PatentIndex Score
7
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a foreign language teaching aid, as shown and described.

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