Mon Sep 15 STAR EnviroTech Wins Five U.S. Patent Challenges by Competitor Redline Detection Written by Editor Category: News Feeds HUNTINGTON BEACH, Calif.--(BUSINESS WIRE)--STAR EnviroTech has won five of five patent challenges by Redline Detection. STAR, inventor of Diagnostic Smoke® Leak Detection Technologies, licenses to tool makers for automakers and aftermarket...STAR-EnviroTech-logo.jpg...