Granted Patent
Utility
US 5,746,201 · App. 08/786,886
CPAP nose mask
Inventor:
Lisa A. Kidd
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Jan 23, 1997
Inventor
Lisa A. Kidd
Assignee (at issue)
NELLCOR PURITAN BENNETT LLC
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.