Granted Patent
Utility
US 5,871,009 · App. 08/906,298
Method and apparatus for mixing a gas containing nitric oxide with a gas containing oxygen
Inventors:
Goran Rydgren, Lars Lindberg
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 5, 1997
Inventors
Goran Rydgren
Lars Lindberg
Assignee (at issue)
Siemens Elema AB
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.