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The ornamental design for a hammer drill, as shown and described.
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The file of this patent contains a least one drawing executed in color. Copies of this patent with color drawings will be provided by the Office upon request and payment of necessary fee.
1.-2. Hammer drill
Koeniger, Tobias, Keevy, Graham, Scheidel, Christian
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 19 2016 | Hilti Aktiengesellschaft | (assignment on the face of the patent) | / | |||
Sep 13 2017 | KOENIGER, TOBIAS | Hilti Aktiengesellschaft | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 043712 | /0557 | |
Sep 13 2017 | KEEVY, GRAHAM | Hilti Aktiengesellschaft | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 043712 | /0557 | |
Sep 13 2017 | SCHEIDEL, CHRISTIAN | Hilti Aktiengesellschaft | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 043712 | /0557 |
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