USD317176SExpiredUtility

Electronic learning aid

46
Assignee: VIDEO TECH INDUSTRIES INCPriority: Nov 6, 1987Filed: Apr 15, 1988Granted: May 28, 1991
Est. expiryNov 6, 2007(expired)· nominal 20-yr term from priority
Inventors:David Cheung
46
PatentIndex Score
4
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronics learning aid, as shown and described.

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