Granted Patent
Utility
US 5,681,713 · App. 08/098,016
Expression of heterologous proteins in Drosophila cells
Inventors:
Hanne Ranch Johansen, Ariane Adrienne Van Der Straten-Ponthoz, Martin Rosenberg
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Jul 27, 1993
Inventors
Hanne Ranch Johansen
Ariane Adrienne Van Der Straten-Ponthoz
Martin Rosenberg
Assignee (at issue)
SmithKline Beecham Limited
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.