Nonmetallic building materials Trademarks Filed in October 6, 1981
GRALOX
Filed: October 6, 1981
Refractory Bricks for Use in Metallurgical Furnaces
Owned by: TOKYO YOGYU KABUSHIKI KAISHA
Serial Number: 73331385
G R RUBERFLAM
Filed: October 6, 1981
Waterproofing Membranes in Rolled Sheet Form, for Use in the Building Industry
Owned by: Gamma Ruberoid S.p.A.
Serial Number: 73331405
