Nonmetallic building materials Trademarks Filed in February 8, 1979
ELTRA

ELTRA

Filed: February 8, 1979
REFRACTORY SHAPES, AIR-SETTING AND HEATSETTING MORTARS, PLASTIC REFRACTORY MATERIALS, CASTABLE REFRACTORY MATERIALS, RAMMING…
Owned by: Eltra Corporation
Serial Number: 73203181