Granted Patent
Utility
US 6,830,445 · App. 10/265,527
Nasal and oral cannula breathing detection devices
Inventor:
James N. Curti
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Oct 4, 2002
Inventor
James N. Curti
Assignee (at issue)
Salter Labs
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.