Granted Patent
Utility
US 6,565,743 · App. 09/653,520
Portable purification container with cumulative use indicator
Inventors:
Malcolm Daniel Poirier, Paul Metaxatos, David Mathieu, Jeffrey E. Fish, Kevin P. McGrath
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Aug 31, 2000
Inventors
Malcolm Daniel Poirier
Paul Metaxatos
David Mathieu
Jeffrey E. Fish
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.