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					| Patent    D875941 |  
					| Priority Jul 27 2017 |  
					| Filed Jan 26 2018 |  
					| Issued Feb 18 2020 |  
					| Expiry Feb 18 2035 |  
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					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 2 |  
					 | 14 |  
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			  The ornamental design for a radiopaque marker, as shown and described. | 
 
	
FIG. 1 is a perspective view of a radiopaque marker showing my new design;
FIG. 2 is a stereogram view of the radiopaque marker;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view of thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines in FIG. 1 represent an environment and form no part of the claimed design.
	
	Duan, Xiaodong, Song, Hongjiao
	
	
	
	
	  
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