Granted Patent
Utility
US 6,617,164 · App. 09/721,336
Method and apparatus for producing standard gases, carbon monoxide, and hydrogen for determining isotope relationships
Inventor:
Hairigh Avakgharagelou
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Nov 22, 2000
Inventor
Hairigh Avakgharagelou
Assignee (at issue)
Finnigan MAT GmbH
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.