Granted Patent
Utility
US 4,313,833 · App. 06/200,350
Waste water treatment system and process
Inventor:
Jon K. West
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Oct 24, 1980
Inventor
Jon K. West
Assignee (at issue)
General Electric Company
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.