%0 Patent %D 2017 %T United States Patent 9541674: Photonic balls containing a microstructure of core-shell particles exhibiting angularly-independent structural color %A Vinothan Manoharan %A Sofia Magkiriadou %A Jin-Gyu Park %7 United States of America %V 9541674 %G eng %U http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=9,541,674.PN.&OS=PN/9,541,674&RS=PN/9,541,674 %N U.S Patent and Trademark Office %& US