Granted Patent
Utility
US 4,870,013 · App. 07/196,789
SV40 early and RSV promoters useful in saccharomyces expression
Inventors:
David H. Gelfand, Frances C. Lawyer, Susanne Stoffel
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: May 18, 1988
Inventors
David H. Gelfand
Frances C. Lawyer
Susanne Stoffel
Assignee (at issue)
Cetus Corporation
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.