Benzinga | Jul 29, 2021 09:37AM EDT

Vuzix US Patent & Trademark Office Shows Application For Co.'s 'WAVEGUIDE TURNING GRATING DESIGNS FOR OPTIMAL EFFICIENCY'

https://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=3751&p=76&f=G&l=50&d=PG01&S1=20210729.PD.&OS=PD/20210729&RS=PD/20210729