Granted Patent
Utility
US 6,207,455 · App. 08/935,312
Lentiviral vectors
Inventor:
Lung-Ji Chang
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Sep 22, 1997
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.