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			 The ornamental design for a hammer drill, as shown and described. 
			  
			  
			  
			  
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FIG. 1 is a top, front, and right side perspective view showing my new design of a hammer drill;
FIG. 2 is a left side perspective view thereof;
FIG. 3 is a right side perspective view thereof;
FIG. 4 is a top perspective view thereof;
FIG. 5 is a bottom perspective view thereof;
FIG. 6 is a front perspective view thereof; and,
FIG. 7 is a rear perspective view thereof.
The broken line showing of environmental structure is for illustrative purposes only and forms no part of the claimed design.
| Patent | Priority | Assignee | Title | 
| 11077533, | May 09 2008 | Milwaukee Electric Tool Corporation; Techtronic Power Tools Technology Limited | Power tool dust collector | 
| 11084006, | Mar 23 2017 | Milwaukee Electric Tool Corporation | Mud mixer | 
| 11883917, | May 09 2008 | Milwaukee Electric Tool Corporation; Techtronic Power Tools Technology Limited | Power tool dust collector | 
| 8813868, | May 09 2008 | Techtronic Power Tools Technology Limited | Auxiliary handle for use with a power tool | 
| D520833, | Jan 07 2005 | POSITEC POWER TOOLS SUZHOU CO , LTD | Impact drill | 
| D527969, | Jan 07 2005 | KOKI HOLDINGS CO , LTD | Portable electric hammer drill | 
| D533420, | Nov 03 2005 | Power Box AG | Power tool drill | 
| D538126, | Aug 29 2003 | Robert Bosch GmbH | Hammer drill with work piece holder | 
| D540135, | Jan 18 2006 | Makita Corporation | Portable electric hammer drill | 
| D543085, | Dec 12 2005 | Robert Bosch GmbH | Handle | 
| D550058, | Dec 12 2005 | Robert Bosch GmbH | Handle | 
| D550533, | Dec 12 2005 | Robert Bosch GmbH | Handle | 
| D567614, | Jan 18 2006 | Makita Corporation | Portable electric hammer drill | 
| D590225, | Jun 26 2006 | Black & Decker Inc | Drill | 
| D830803, | Jun 14 2017 | Black & Decker Inc | Hammer drill quick change chuck with handle | 
| D830804, | Jun 14 2017 | Black & Decker Inc | Hammer drill quick change chuck | 
| D830805, | Jun 14 2017 | Black & Decker Inc | Hammer drill non-quick change chuck | 
| D947635, | Dec 26 2019 | ZHEJIANG PRULDE ELECTRIC APPLIANCE CO , LTD | Hammer drill | 
| D979368, | Oct 09 2019 | WÜRTH INTERNATIONAL AG | Rotary hammer | 
| ER293, | |||
| ER5518, | |||
| ER8154, | 
| Patent | Priority | Assignee | Title | 
| 2346778, | |||
| 4098351, | Aug 09 1976 | The Black and Decker Manufacturing Company | Hammer tool | 
| 4418766, | Jul 25 1979 | Black & Decker Inc. | Compact multi-speed hammer-drill | 
| 4689534, | Jun 28 1979 | Scintilla AG | Electrically driven hand-operated tool | 
| 4820090, | Jun 03 1988 | Multipurpose handle grip for holding electric tools | |
| 5056607, | May 25 1989 | Black & Decker Inc. | Mode change mechanism for power tools | 
| 6155916, | Oct 14 1997 | C. & E. Fein GmbH & Co. | Power-driven hand tool | 
| 20020084087, | |||
| D280797, | Jul 26 1983 | Ryobi Ltd. | Portable electric drill | 
| D325860, | Feb 15 1989 | Makita Electric Works, Ltd. | Electric screw driver | 
| D337711, | Jan 11 1991 | Hitachi Koki Company Limited | Portable electric drill | 
| D342878, | May 07 1991 | Ryobi Ltd. | Portable electric hammer drill | 
| D343105, | Mar 11 1992 | Makita Corporation | Electric hammer drill | 
| D396621, | Feb 28 1997 | Black & Decker Inc | Drill | 
| D403565, | Dec 16 1997 | Electrical drill | |
| D406511, | Jul 29 1997 | Black & Decker Inc. | Hammer drill | 
| D406741, | Jul 29 1997 | Black & Decker Inc. | Hammer drill | 
| D406742, | Mar 10 1997 | Robert Bosch GmbH | Hand held power drill | 
| D439123, | Dec 29 1999 | Hitachi Koki Co., Ltd. | Portable electric drill | 
| D460336, | Jan 17 2000 | LIDL STIFTUNG & CO KG | Drilling hammer | 
| D470379, | Sep 15 2001 | POSITEC POWER TOOLS EUROPE LTD | Single gear hammer drill power tool | 
| D470737, | Jan 28 2002 | One World Technologies Limited | Electric screw gun | 
| D486049, | Dec 06 2002 | Makita Corporation | Portable electric drill | 
| D488978, | Nov 13 2002 | One World Technologies | Hammer drill | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Apr 07 2003 | Robert Bosch GmbH | (assignment on the face of the patent) | / | |||
| May 21 2003 | AGLASSINGER, HANS-PETER | Robert Bosch GmbH | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014340 | /0975 | 
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