Granted Patent
Utility
US 6,346,069 · App. 09/441,598
Centrifugal pressurized separators and methods of controlling same
Inventor:
Kevin E. Collier
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Nov 17, 1999
Inventor
Kevin E. Collier
Assignee (at issue)
Separation Process Technology, 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.