Patents Issued to Roy R. Graham
US 3,864,155: GLASS FIBER SIZE AND RESULTING PRODUCT
US 3,869,308: FORMING SIZE FOR GLASS FIBERS AND RESULTING PRODUCT
US 3,932,193: FORMING SIZE FOR TEXTILE GLASS FIBERS
US 4,002,445: METHOD OF FORMING AND SIZING GLASS FIBERS
US 4,066,106: SIZED WOVEN GLASS FABRIC
US 4,185,138: SIZE COMPOSITION AND METHOD OF PRODUCING SAME TO RENDER GLASS FIBER HAVING IMPROVED DISPERSIBILITY
IN AQUEOUS SOLUTIONS
US 4,233,809: SIZE COMPOSITION FOR GLASS FIBERS
US 4,284,538: SIZING COMPOSITION FOR GLASS FIBERS
US 4,330,337: GLASS FIBERS WITH IMPROVED DISPERSIBILITY IN AQUEOUS SOLUTIONS AND SIZING COMPOSITION FOR MAKING
SAME
US 4,361,465: GLASS FIBERS WITH IMPROVED DISPERSIBILITY IN AQUEOUS SOLUTIONS AND SIZING COMPOSITION AND PROCESS
FOR MAKING SAME
US 4,370,169: AQUEOUS DISPERSION OF GLASS FIBERS AND METHOD AND COMPOSITION FOR PRODUCING SAME
US 4,381,199: AQUEOUS DISPERSION OF GLASS FIBERS AND METHOD AND COMPOSITION FOR PRODUCING SAME
Note: The above patents were issued to Roy R. Graham as inventor and assigned to PPG Industries, Inc.