Granted Patent
Utility
US 5,873,362 · App. 08/819,783
Endotracheal tube
Inventor:
Jeffrey D. Parker
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Mar 18, 1997
Inventor
Jeffrey D. Parker
Assignee (at issue)
Parker Medical, Inc.
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.