USD316979SExpiredUtility
Combined ruler and compass
Individually held — no corporate assignee on recordPriority: Jun 8, 1988Filed: Jun 8, 1988Granted: May 21, 1991
Est. expiryJun 8, 2008(expired)· nominal 20-yr term from priority
Inventors:Billy D. Reynolds
86
PatentIndex Score
43
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined ruler and compass, as shown.
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