Granted Patent
Utility
US 6,652,743 · App. 10/059,097
System and method for removing pollutants from water
Inventors:
Scott Wallace, Paul E. Lambrecht
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jan 26, 2002
Inventors
Scott Wallace
Paul E. Lambrecht
Assignee (at issue)
North American Wetland Engineering, 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.