INERTOL
WATERPROOFING AND PROTECTIVE COATINGS FOR CONCRETE AND STEEL, NOT IN THE NATURE OF A PAINT, AND MAY BE GENERALLY APPLIED BY OTHER MEANS, THAN BY BRUSH OR SPRAY GUN, SUCH AS A TROWEL; THE MATERIAL OF SUCH COATINGS BEING MADE FROM ASPHALT, ASBESTOS, SOLVENT, RUBBER, PITCH, AND SAND
Expired · January 28, 1947 · 71516485 ·