Granted Patent
Utility
US 6,283,119 · App. 08/839,459
Breathing aid apparatus in particular for treating sleep apnoea
Inventor:
Guy Bourdon
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Apr 14, 1997
Inventor
Guy Bourdon
Assignee (at issue)
Nellcor Puritan Bennett France Developpement
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.