Granted Patent
Utility
US 6,644,086 · App. 10/146,507
Retro-fit roll forming mill with jack screw
Inventor:
Ernest R. Bodnar
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: May 14, 2002
Inventor
Ernest R. Bodnar
Assignee (at issue)
Formtek, Inc.
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.