Granted Patent
Utility
US 6,774,277 · App. 09/519,789
Methods of destruction of cyanide in cyanide-containing waste
Inventor:
Gary Fisher
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Mar 7, 2000
Inventor
Gary Fisher
Assignee (at issue)
Waste Management, 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.