USD277365SExpiredUtility
Proportional plotting device
Individually held — no corporate assignee on recordPriority: Jun 23, 1982Filed: Jun 23, 1982Granted: Jan 29, 1985
Est. expiryJun 23, 2002(expired)· nominal 20-yr term from priority
Inventors:Gary M. Sogorka
27
PatentIndex Score
2
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a proportional plotting device, as shown and described.
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