Granted Patent
Utility
US 6,393,821 · App. 09/713,574
Method for collection and use of low-level methane emissions
Inventor:
Edan Prabhu
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Nov 14, 2000
Inventor
Edan Prabhu
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.