Granted Patent
Utility
US 6,612,145 · App. 09/876,275
Leveler for stretcher leveling of a metal strip or sheet
Inventor:
Dietmar Rohleder
Patented Case
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Granted: Sep 2, 2003
Filed: Jun 7, 2001
Inventor
Dietmar Rohleder
Assignee (at issue)
SMS DEMAG LLC
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.