Granted Patent
Utility
US 5,970,764 · App. 08/983,089
Roll forming apparatus
Inventor:
Michael Surina
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Jan 12, 1998
Inventor
Michael Surina
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.