Granted Patent
Utility
US 5,038,792 · App. 07/368,947
Oxygen consumption meter
Inventor:
James Mault
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Jun 23, 1989
Inventor
James Mault
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.