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			 The ornamental design for a bulldozer, as shown and described. 
			  
			  
			  
			  
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FIG. 1 is a front perspective view of a bulldozer showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a right side elevational view thereof; and,
FIG. 8 is a left side elevational view thereof.
Kumagai, Tomoya, Yomogita, Makoto, Nakamura, Mitsutaka, Matsuo, Yuuichi
| Patent | Priority | Assignee | Title | 
| D573161, | Dec 07 2007 | Caterpillar Inc. | Earth moving machine | 
| D582442, | Jan 11 2008 | Caterpillar Inc. | Earth moving machine | 
| D678425, | Jan 31 2012 | Hasbro, Inc. | Toy truck | 
| D922446, | Dec 19 2019 | GUANGXI LIUGONG MACHINERY CO , LTD | Bulldozer | 
| ER1618, | |||
| ER4847, | |||
| ER5033, | 
| Patent | Priority | Assignee | Title | 
| 6863461, | Jun 17 2003 | CNH America LLC; BLUE LEAF I P , INC | Bulldozer blade pitch adjuster | 
| 20050077062, | |||
| D251845, | Jul 13 1977 | CATERPILLAR INC , A CORP OF DE | Endless track loader vehicle | 
| D274621, | Apr 24 1981 | Kabushiki Kaisha Komatsu Seisakusho | Bulldozer | 
| D302276, | Oct 15 1985 | CATERPILLAR INC , A CORP OF DE | Work vehicle having ground engaging belt drive apparatus | 
| D314388, | Jan 25 1988 | CATERPILLAR INC A CORP OF DE | Endless track work vehicle | 
| D375506, | Aug 24 1993 | Caterpillar Inc. | Work machine having endless ground engaging drive belts | 
| D401292, | Apr 28 1997 | New Bright Industrial Co., Ltd. | Toy bulldozer | 
| D499748, | Jan 22 2004 | YANMAR CO , LTD | Crawler tractor | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Jan 04 2006 | Komatsu Ltd. | (assignment on the face of the patent) | / | |||
| Feb 07 2006 | KUMAGAI, TOMOYA | Komatsu Ltd | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017358 | /0701 | |
| Feb 07 2006 | MATSUO, YUUICHI | Komatsu Ltd | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017358 | /0701 | |
| Feb 07 2006 | YOMOGITA, MAKOTO | Komatsu Ltd | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017358 | /0701 | |
| Feb 07 2006 | NAKAMURA, MITSUTAKA | Komatsu Ltd | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017358 | /0701 | 
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