| HERCULUNDUM AMERICAN ABRASIVE COMPANY
72221777 23 Jun 1965 | on 09 Jan 1989 | ALUMINUM OXIDE ABRASIVE MATERIALS,ALUMINUM OXIDE ABRASIVE MATERIALS Class 004 Class 004 Lubricant and Fuel Products ALUMINUM OXIDE ABRASIVE MATERIALS | | | OXZALUMA 40 AMERICAN ABRASIVE COMPANY
72298680 21 May 1968 | on 31 Mar 1983 | ABRASIVES-NAMELY, A BLEND OF ALUMINUM OXIDE AND ZIRCONIUM, FOR USE IN ... Class 004 Class 004 Lubricant and Fuel Products ABRASIVES-NAMELY, A BLEND OF ALUMINUM OXIDE AND ZIRCONIUM, FOR USE IN THE METAL, STONE AND GLASS INDUSTRIES, FOR POLISHING AND PRESSURE BLASTING, AND AS THE ABRASIVE INGREDIENT IN GRINDING WHEELS | |