Hammer drill
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Claims
The ornamental design for a hammer drill, as shown and described.
| D524626 | July 11, 2006 | Stirm |
| D527601 | September 5, 2006 | Stirm |
| D535537 | January 23, 2007 | Aglassinger |
| D540642 | April 17, 2007 | Stirm |
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| D695086 | December 10, 2013 | Walz |
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| 9849577 | December 26, 2017 | Debrabander |
| 20140318821 | October 30, 2014 | Wyler |
Type: Grant
Filed: Feb 2, 2018
Date of Patent: Mar 10, 2020
Assignee: Hilti Aktiengesellschaft (Schaan)
Inventors: Tobias Koeniger (Bregenz), Graham Keevy (Aalen), Christian Scheidel (Aalen)
Primary Examiner: Darlington Ly
Application Number: 29/635,772