Granted Patent
Utility
US 6,832,818 · App. 10/460,854
Milling drum for road working machine
Inventor:
Gelai Luciano
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jun 13, 2003
Inventor
Gelai Luciano
Assignee (at issue)
Bitelli SpA
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.