Granted Patent
Utility
US 5,993,370 · App. 08/978,499
Enhanced yield collection systems and methods for obtaining concentrated platelets from platelet-rich plasma
Inventors:
Richard I. Brown, Dale R. Ellis
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Nov 25, 1997
Inventors
Richard I. Brown
Dale R. Ellis
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.