USD330910SExpiredUtility
Combined twin-nibbed marker and level
Individually held — no corporate assignee on recordPriority: Jan 16, 1991Filed: Jan 16, 1991Granted: Nov 10, 1992
Est. expiryJan 16, 2011(expired)· nominal 20-yr term from priority
Inventors:Edwin E. Warburton
54
PatentIndex Score
12
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined twin-nibbed marker and level as shown and described.
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