Nonmetallic building materials Trademarks Filed in April 5, 1960
SUPER FINE
Filed: April 5, 1960
AIR SETTING REFRACTORY CEMENT
Owned by: SIVAD CERAMIC CORPORATION, THE
Serial Number: 72094431
SILLIMANITE D
Filed: April 5, 1960
PLASTIC REFRACTORY RAMMING MIX CONSISTING OF REFRACTORY MATERIAL
Owned by: SIVAD CERAMIC CORPORATION, THE
Serial Number: 72094433
