(March 22, 2016, 2:06 PM EDT) -- WASHINGTON, D.C. — Various claims of a patent directed to the production of white light were properly deemed unpatentable as obvious, the Federal Circuit U.S. Court of Appeals ruled March 21 (In re: Cree Inc., No. 15-1365, Fed. Cir.; 2016 U.S. App. LEXIS 5059)....