NATIONAL REFRACTORIES & MINERAL CORPORATION Trademarks
MONO T9
Filed: September 25, 1957
PLASTIC FIREBRICK
Owned by: NATIONAL REFRACTORIES & MINERAL CORPORATION
Serial Number: 72037799
C
Filed: April 14, 1966
REFRACTORY MATERIAL USED IN THE LINING OF INDUSTRIAL FURNACES
Owned by: NATIONAL REFRACTORIES & MINERAL CORPORATION
Serial Number: 72243452