Granted Patent
Utility
US 6,424,067 · App. 09/367,689
Centrifugal separator
Inventor:
Andrew Samways
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Aug 19, 1999
Inventor
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.