Granted Patent
Utility
US 5,693,508 · App. 08/336,132
Retroviral expression vectors containing MoMLV/CMV-IE/HIV-TAR chimeric long terminal repeats
Inventor:
Lung-Ji Chang
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Nov 8, 1994
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.