USD284930SExpiredUtility
Ground rod driving hammer
Individually held — no corporate assignee on recordPriority: Dec 20, 1983Filed: Dec 20, 1983Granted: Aug 5, 1986
Est. expiryDec 20, 2003(expired)· nominal 20-yr term from priority
Inventors:David Richards
79
PatentIndex Score
18
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for ground rod driving hammer, as shown and described.
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