Granted Patent
Utility
US 5,772,584 · App. 08/511,949
Method and apparatus for antenatal screening for chromosomal abnormalities
Inventor:
Christopher Davies
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Aug 7, 1995
Inventor
Christopher Davies
Assignee (at issue)
Johnson & Johnson Clinical Diagnostics, 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.