Granted Patent
Utility
US 4,850,952 · App. 07/050,768
Method and device for the separation and isolation of blood or bone marrow components
Inventors:
Carl Gustav Figdor, Willy S. Bont
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: May 8, 1987
Inventors
Carl Gustav Figdor
Willy S. Bont
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.