DURFERRIT GMBH Trademarks
TUFFTRIDE
Filed: December 21, 1959
SODIUM CYANIDE
Owned by: DURFERRIT GMBH
Serial Number: 72087692
MELONIZING
Filed: April 12, 1976
TREATING METALS BY PROCESSES UTILIZING MOLTEN SALTS CONTAINING CAUSTIC CYANATE
Owned by: DURFERRIT GMBH
Serial Number: 73083451
MELONITE
Filed: April 12, 1976
TREATING METALS BY PROCESSES UTILIZING MOLTEN SALTS CONTAINING CAUSTIC CYANATE
Owned by: DURFERRIT GMBH
Serial Number: 73083472
MEL-1
Filed: May 23, 1979
Salts Containing Caustic Cyanate for Molten Salt Baths Used for Nitriding Ferrous Metal Pieces
Owned by: DURFERRIT GMBH
Serial Number: 73216726
DURFERRIT
Filed: October 5, 1979
Industrial Heating Crucibles and Heat Treating Furnaces and Quenches
Owned by: DURFERRIT GMBH
Serial Number: 73234119
