Granted Patent
Utility
US 5,290,684 · App. 07/965,448
Permanent human hepatocyte cell line and its use in a liver assist device (LAD)
Inventor:
James H. Kelly
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Oct 23, 1992
Inventor
James H. Kelly
Assignee (at issue)
Baylor College of Medicine
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.