Granted Patent
Utility
US 6,824,088 · App. 09/848,279
Roller mill
Inventor:
Ian N. Robinson
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: May 4, 2001
Inventor
Ian N. Robinson
Assignee (at issue)
Foster Wheeler Energy Limited
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.