Granted Patent
Utility
US 6,675,629 · App. 10/106,635
Method of and instrument for analyzing a gas
Inventors:
Roland Aldridge, Steven Kirchnavy
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Mar 26, 2002
Inventors
Roland Aldridge
Steven Kirchnavy
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.