Granted Patent
Utility
US 6,274,041 · App. 09/461,088
Integrated filter combining physical adsorption and electrokinetic adsorption
Inventors:
Bruce Scott Williamson, Kevin P. McGrath
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Dec 14, 1999
Inventors
Bruce Scott Williamson
Kevin P. McGrath
Assignee (at issue)
Kimberly-Clark Worldwide, 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.