US Patent Issued to PPG Industries Ohio on April 21 for "Light-based protractor and use thereof for detection of color associated with physical coatings" (American, Mexican Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,513, issued on April 21, was assigned to PPG Industries Ohio Inc. (Cleveland).

"Light-based protractor and use thereof for detection of color associated with physical coatings" was invented by Antonio Paredes (Queretaro, Mexico), Alison M. Norris (Gibsonia, Pa.), Richard Knight (LaGrange, Ohio) and William E. Eibon (Elyria, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for detection and coating analysis that comprises a digital camera and a light-based protractor positioned adjacent to or on a physical coating surface. The system identifies a particular angular indication being displayed by the light-based protractor. The system then...