Granted Patent
Utility
US 6,509,730 · App. 09/792,044
Method of environmental performance measurement
Inventor:
Shakeb Afsah
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Feb 26, 2001
Inventor
Shakeb Afsah
Assignee (at issue)
International Resources Group Ltd.
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.