Granted Patent
Utility
US 6,719,681 · App. 10/056,190
Methods for centrifugally separating mixed components of a fluid stream
Inventor:
Kevin E. Collier
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jan 25, 2002
Inventor
Kevin E. Collier
Assignee (at issue)
Econova GmbH
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.