Granted Patent
Utility
US 5,511,545 · App. 08/368,361
Valve for pulmonary medical use
Inventor:
Walter J. Jinotti
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Jan 4, 1995
Inventor
Walter J. Jinotti
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.