Granted Patent
Utility
US 6,666,060 · App. 10/168,186
Roller head for a planetary rolling mill
Inventors:
Heikki Knaapi, Harri Luotola
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Jun 17, 2002
Inventors
Heikki Knaapi
Harri Luotola
Assignee (at issue)
Outokumpu Oyj
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.