Hammer drill
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The portions shown in broken lines form no part of the claimed design but are provided for completeness.
Claims
The ornamental design for a hammer drill, as shown and described.
Type: Grant
Filed: May 24, 2011
Date of Patent: Feb 26, 2013
Assignee: Robert Bosch GmbH (Stuttgart, DE)
Inventor: Hans-Peter Aglassinger (Esslingen)
Primary Examiner: Philip S Hyder
Assistant Examiner: John T Applewhite
Application Number: 29/392,636