Granted Patent
Utility
US 5,980,885 · App. 08/486,307
Growth factor-induced proliferation of neural precursor cells in vivo
Inventors:
Samuel Weiss, Brent Reynolds
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Jun 7, 1995
Inventors
Samuel Weiss
Brent Reynolds
Assignee (at issue)
Neurospheres Holdings Ltd.
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.