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						 Patent  
						   D741484  
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						 Priority  
						Apr 30 2014 
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						 Filed 
						Apr 30 2014  
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						 Issued 
						Oct 20 2015 
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						 Expiry 
						Oct 20 2029 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    15 
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					    24 
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			  The ornamental design for a drill head for dental implant surgery, substantially as shown and described. 
			  
			  
			  
			  
			 
		 | 
	
 
	
FIG. 1 is a front perspective view of a drill head for dental implant surgery.
FIG. 2 is a right side view of my design.
FIG. 3 is a left side view of my design.
FIG. 4 is a front end view of my design.
FIG. 5 is a rear end view of my design.
FIG. 6 is a top view of my design; and,
FIG. 7 is a bottom view of my design.
The broken lines illustrate environmental features that form no part of the claimed design.
	
	Cho, Sang Choon
	
	
	  
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	 Osteotomy drill bit to produce an optimally shaped jawbone opening for a dental implant and abutment | 
	 
    
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	 Mar 15 2013 | 
	  | 
	 Dental implant abutment | 
	 
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  
	  | Apr 28 2014 | CHO, SANG CHOON | EBI CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 032795 | /0472 | 
    pdf | 
    
    
| Apr 30 2014 |  | EBI CO., LTD. | (assignment on the face of the patent) |  | / | 
    
    
    
	
	
	
	  
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