USD303916SExpiredUtility
Double-ended box wrench
Individually held — no corporate assignee on recordPriority: Mar 24, 1987Filed: Mar 24, 1987Granted: Oct 10, 1989
Est. expiryMar 24, 2007(expired)· nominal 20-yr term from priority
Inventors:Davis S. Colvin
56
PatentIndex Score
14
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a double-ended box wrench, as shown and described.
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