Granted Patent
Utility
US 6,024,311 · App. 09/217,102
Rotating shaft support assembly for a bowl mill
Inventors:
Robert S. Prairie, Gregory R. Strich
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Dec 21, 1998
Inventors
Robert S. Prairie
Gregory R. Strich
Assignee (at issue)
Combustion Engineering, 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.