Granted Patent
Utility
US 6,814,074 · App. 09/913,237
Gas supply for sleep apnea
Inventors:
Hossein Nadjafizadeh, Pascal Nicolazzi, Véronique Griller Lanoir
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Nov 13, 2001
Inventors
Hossein Nadjafizadeh
Pascal Nicolazzi
Véronique Griller Lanoir
Assignee (at issue)
Mallinckrodt Developpement France
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.