Granted Patent
Utility
US 6,340,581 · App. 09/219,395
Biological production of products from waste gases
Inventor:
James L. Gaddy
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Dec 23, 1998
Inventor
James L. Gaddy
Assignee (at issue)
Bioengineering Resources, 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.