Granted Patent
Utility
US 6,206,091 · App. 09/256,595
Process and apparatus for treating waste
Inventor:
Verne T. Buehler
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Feb 23, 1999
Inventor
Verne T. Buehler
Assignee (at issue)
United States Filter Corporation
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.