Granted Patent
Utility
US 6,164,111 · App. 09/420,171
Bending device for two working rolls of a roll stand
Inventor:
Rudolf Langeder
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Oct 18, 1999
Inventor
Rudolf Langeder
Assignee (at issue)
Voest-Alpine Industrieanlagenbau GmbH & Co.
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.