Granted Patent
Utility
US 5,656,163 · App. 08/146,403
Chamber for use in a rotating field to separate blood components
Inventor:
Richard I. Brown
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Nov 1, 1993
Inventor
Richard I. Brown
Assignee (at issue)
Baxter International 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.