E.I. du Pont de Nemours & Company (originator), McCoy, Charles Brelsford, 1909-1995 (associated name), Greenewalt, Crawford H., 1902-1993 (associated name)
E.I. du Pont de Nemours & Company (correspondent), McCoy, Charles Brelsford, 1909-1995 (correspondent), E.I. du Pont de Nemours & Company. Pompton Lakes Works (associated name)
E.I. du Pont de Nemours & Company (correspondent), McCoy, Charles Brelsford, 1909-1995 (correspondent), E.I. du Pont de Nemours & Company. Fabrics and Finishes Department (associated name), E.I. du Pont de Nemours & Company. Public Relations Department (associated name), E.I. du Pont de Nemours & Company. Employee Relations Department (associated name)
