what makes the Difference

PATENT: “Natural Light conduit system with Artificial Light real-time compensation”

Patent date Issued Nov 27, 2012

Patent issuer and number: US D671672

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

 

 

 

Year/Where

2012 / USA, WORLDWIDE
USD0671672-20121127-D00001
USD0671672-20121127-D00000
USD0671672-20121127-D00002
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