Granted Patent
Utility
US 6,656,414 · App. 10/010,733
Device for continuously measuring the temperature in pelletizing furnaces
Inventors:
Claudemir Chateaubriand De Souza, Noboru Yamane
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Nov 8, 2001
Inventors
Claudemir Chateaubriand De Souza
Noboru Yamane
Assignee (at issue)
Companhia Vale do Rio Doce
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.