Hammer drill
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Claims
The ornamental design for a hammer drill, as shown and described.
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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