Granted Patent
Utility
US 6,506,608 · App. 09/933,515
Method and apparatus for respiratory gas analysis employing measurement of expired gas mass
Inventor:
James Mault
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Aug 20, 2001
Inventor
James Mault
Assignee (at issue)
HealtheTech, 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.