Nonmetallic building materials Trademarks Filed in February 7, 1967
GREFCO
Filed: February 7, 1967
REFRACTORY PRODUCTS-NAMELY BRICK, TILE, MORTARS, AND COATINGS, CASTABLE AND PLASTIC REFRACTORIES, RAMMING AND HOT/PATCHING…
Owned by: GENERAL REFRACTORIES COMPANY
Serial Number: 72264126
FERROX
Filed: February 7, 1967
REFRACTORY BRICK
Owned by: GENERAL REFRACTORIES COMPANY
Serial Number: 72264127