International Coatings, a leader in the development of textile screenprinting inks and a pioneer in the production of vinyl and urethane plastics, specialty coatings and adhesives, and traffic paint, is celebrating its 60th anniversary.   International Coatings was founded in 1957 by Herbert A. Wells, a chemist who previously helped develop Elmer’s Glue. The company’s first products were custom industrial plastic and adhesive compounds. Over the course of the next 60 years, International Coati...