Granted Patent
Utility
US 6,531,123 · App. 09/318,138
Lentiviral vectors
Inventor:
Lung-Ji Chang
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: May 25, 1999
Inventor
Lung-Ji Chang
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.