ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,129, issued on Oct. 27, was assigned to CoeLux S.r.l. (Lomazzo, Italy).

"Optical filter and lighting device to reproduce the light of the sky and the sun comprising the same" was invented by Paolo Di Trapani (Cavallasca, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an optical filter (100) comprising a substantially flat entry surface (101), a substantially flat exit surface (102) parallel to the entry surface, a plurality of channels (103) made of a material substantially transparent to light, wherein the channels (103) of the plurality of channels comprise an entry face (104), an exit face (105) and a latera...