Granted Patent
Utility
US 6,770,200 · App. 10/237,305
Method and apparatus for enhancing wastewater treatment in lagoons
Inventors:
Charles E. Tharp, Randall C. Chann
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Sep 9, 2002
Inventors
Charles E. Tharp
Randall C. Chann
Assignee (at issue)
Environmental Dynamics, 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.