Granted Patent
Utility
US 6,238,922 · App. 09/258,529
Use of collagenase in the preparation of neural stem cell cultures
Inventor:
Nobuko Uchida
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Feb 26, 1999
Inventor
Nobuko Uchida
Assignee (at issue)
StemCells, 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.