Granted Patent
Utility
US 6,533,984 · App. 09/883,843
Method to produce nasal and oral cannula breathing detection devices
Inventor:
James N. Curti
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jun 18, 2001
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.