Granted Patent
Utility
US 6,234,949 · App. 09/367,688
Centrifugal separator with one or more internal contaminant barriers
Inventors:
Ian M Cox, Andrew Samways
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Aug 19, 1999
Inventors
Ian M Cox
Andrew Samways
Assignee (at issue)
Federal-Mogul Engineering 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.