Granted Patent
Utility
US 6,689,271 · App. 09/961,524
Process and apparatus for electrocoagulative treatment of industrial waste water
Inventors:
Paul E. Morkovsky, Douglas Kaspar
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Sep 24, 2001
Inventors
Paul E. Morkovsky
Douglas Kaspar
Assignee (at issue)
Kaspar Wire Works, 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.