Granted Patent
Utility
US 6,769,641 · App. 10/313,938
Segmented ring guide for rolling mill laying head
Inventors:
David Pariseau, Kenneth Plante
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Dec 6, 2002
Inventors
David Pariseau
Kenneth Plante
Assignee (at issue)
Morgan Construction Company
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.