USD491438SExpiredUtility

Hammer drill

93
Assignee: ONE WORLD TECHNOLOGIES LTDPriority: Aug 12, 2003Filed: Aug 12, 2003Granted: Jun 15, 2004
Est. expiryAug 12, 2023(expired)· nominal 20-yr term from priority
Inventors:Benson Chun Kit CheungDaniel Alex ChunnThomas K. Wong
93
PatentIndex Score
51
Cited by
24
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a hammer drill, as shown and described.

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