Granted Patent
Utility
US 6,079,409 · App. 08/901,055
Intubating laryngeal mask
Inventor:
Archibald Ian Jeremy Brain
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Jul 25, 1997
Inventor
Archibald Ian Jeremy Brain
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.