Granted Patent
Utility
US 4,934,995 · App. 05/824,182
Blood component centrifuge having collapsible inner liner
Inventor:
Herbert M. Cullis
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Aug 12, 1977
Inventor
Herbert M. Cullis
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.