USD322021SExpiredUtility
Hammer
Individually held — no corporate assignee on recordPriority: Mar 20, 1989Filed: Mar 20, 1989Granted: Dec 3, 1991
Est. expiryMar 20, 2009(expired)· nominal 20-yr term from priority
Inventors:Cheng-Tung Hsu
89
PatentIndex Score
43
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for hammer, as shown and described.
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