Granted Patent
Utility
US 6,102,460 · App. 09/252,705
Device for supporting tamping bench arms
Inventors:
Luiz Paulo Baldo Ramos, Cosme Damiao Bunicena Fermino, Carlos Magno Santos Pinila, Roger Cordeiro Bernardino
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Feb 18, 1999
Inventors
Luiz Paulo Baldo Ramos
Cosme Damiao Bunicena Fermino
Carlos Magno Santos Pinila
Roger Cordeiro Bernardino
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.