Durferrit GmbH Trademarks
REG-1
Filed: May 23, 1979
Organic Chemical Additives for Metallurgical Process Molten Salt Baths Used for Nitriding Ferrous Metal Pieces
Owned by: Durferrit GmbH
Serial Number: 73216727
DURFERRIT
Filed: March 11, 2004
CHEMICAL PRODUCTS FOR INDUSTRIAL USE, NAMELY, CHEMICAL COMPOUNDS AND PRE AND POST TREATMENT CHEMICALS USED FOR HEAT TRANSFER…
Owned by: Durferrit GmbH
Serial Number: 76581338
