Granted Patent
Utility
US 5,405,433 · App. 08/198,746
Direct centrate/filtrate return
Inventor:
Kevin J. Rogers
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Feb 18, 1994
Inventor
Kevin J. Rogers
Assignee (at issue)
The Babcock & Wilcox Company
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.