ALEXANDRIA, Va., Nov. 14 -- Agira, Baltimore, Maryland, has been assigned a patent (No. 10,473,852, initially filed Oct. 12, 2018) developed by Bal Makund Dhar, Boston, Massachusetts, for a "light guide apparatus and fabrication method thereof."

The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=10,473,852.PN.&OS=PN/10,473,852&RS=PN/10,473,852 . . .