Granted Patent
Utility
US 6,705,321 · App. 09/829,157
Laryngeal mask adapter
Inventor:
Daniel J. Cook
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Apr 9, 2001
Inventor
Daniel J. Cook
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.