Granted Patent
Utility
US 6,196,962 · App. 09/254,317
Centrifugal separator with vortex disruption vanes
Inventors:
Ronald J. Purvey, Ian M Cox
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Mar 4, 1999
Inventors
Ronald J. Purvey
Ian M Cox
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.