Granted Patent
Utility
US 5,223,610 · App. 07/528,852
Cholera toxin gene regulated by growth hormone promoter
Inventors:
Frank H. Burton, J. Gregor Sutcliffe
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: May 18, 1990
Inventors
Frank H. Burton
J. Gregor Sutcliffe
Assignee (at issue)
The Scripps Research Institute
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.