Nonmetallic building materials Trademarks Filed in August 13, 1930
MONOCLASE
Filed: August 13, 1930
PLASTIC REFRACTORY MATERIAL
Owned by: E. J. Lavino and Company
Serial Number: 71304563
LOFERO
Filed: August 13, 1930
REFRACTORY CEMENT
Owned by: E. J. Lavino and Company
Serial Number: 71304564