Granted Patent
Utility
US 5,670,125 · App. 08/533,121
Process for the purification of nitric oxide
Inventors:
Lien-Lung Sheu, Ramakrishnan Ramachandran, Theodore R. Galica
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Sep 25, 1995
Inventors
Lien-Lung Sheu
Ramakrishnan Ramachandran
Theodore R. Galica
Assignee (at issue)
The BOC Group Limited
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.