ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,471, issued on March 11, was assigned to CONTINUUS MATERIALS INTELLECTUAL PROPERTY LLC (The Woodlands, Texas).

"Manufacturing method with improved fragment size and plastic-to-paper ratio" was invented by Kasey Fisher (Philadelphia), Marko Suput (Lompoc, Calif.), Matthew Spencer (Palatine, Ill.) and Jack G. Winterowd (Puyallup, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a roof cover board and a method of manufacturing an improved cover board product. The method includes receiving waste materials or first use materials, the waste materials or first use materials containing a mixture of cellulose, plastic and other mater...