Granted Patent
Utility
US 6,458,257 · App. 09/247,767
Microorganism control of point-of-use potable water sources
Inventors:
Craig C. Andrews, Oliver J. Murphy, G. Duncan Hitchens
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Feb 9, 1999
Inventors
Craig C. Andrews
Oliver J. Murphy
G. Duncan Hitchens
Assignee (at issue)
Lynntech International, Ltd.
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.