Granted Patent
Utility
US 5,919,125 · App. 08/891,471
Centrifuge bowl for autologous blood salvage
Inventor:
Stephen W. Berch
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Jul 11, 1997
Inventor
Stephen W. Berch
Assignee (at issue)
Cobe Laboratories, 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.