Granted Patent
Utility
US 6,653,113 · App. 09/253,818
High efficiency gene targeting in mouse embryonic stem cells
Inventors:
Anton Berns, Els Robanus Maandag, Hein te Riele
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Feb 19, 1999
Inventors
Anton Berns
Els Robanus Maandag
Hein te Riele
Assignee (at issue)
Genpharm International
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.