71453165
May 21, 1942
Nov 17, 1942
Active Trademark
Potassium Silicate, Either Anhydrous, Hydrous, Crystalline, Glassy or in Solution, or in Admixture with Other Alkaline Salts, Useful in the Manufacture of Gels, Cements, Coatings, Detergents, and the Like
Metal Goods