what makes the Difference

PATENT: “Thin and light floating hoop with independent inward and outward flux emission (DW/RGBW)”

Patent date Issued Nov 27, 2012

Patent issuer and number: US D671676

Assignee: 3M Innovative Properties Company (St. Paul, MN)

 

 

 

Year/Where

2012 / USA, WORLDWIDE
USD0671676-20121127-D00001
USD0671676-20121127-D00002
USD0671676-20121127-D00000
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