USD313625SExpiredUtility

Display device for illustrating scientific codes, and corresponding hexagrams

31
Individually held — no corporate assignee on recordPriority: Dec 18, 1987Filed: Dec 18, 1987Granted: Jan 8, 1991
Est. expiryDec 18, 2007(expired)· nominal 20-yr term from priority
Inventors:Johnson F. YanSuzie C. Yan
31
PatentIndex Score
5
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a display device for illustrating scientific codes and corresponding hexagrams, as shown.

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