Granted Patent
Utility
US 6,406,510 · App. 09/714,458
Methods for treating wastewater sludge
Inventor:
Jeffrey C. Burnham
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Nov 17, 2000
Inventor
Jeffrey C. Burnham
Assignee (at issue)
Unified Environmental Services Group, LLC
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.