Granted Patent
Utility
US 6,749,592 · App. 10/213,141
Suction pressure regulator for use with a chest drainage
Inventor:
Kevin M. Lord
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Aug 5, 2002
Inventor
Kevin M. Lord
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.