Granted Patent
Utility
US 6,478,026 · App. 09/524,371
Nasal ventilation interface
Inventor:
Thomas Wood
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Mar 13, 2000
Inventor
Thomas Wood
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.