Granted Patent
Utility
US 5,646,015 · App. 08/439,132
Excretion of heterologous proteins from E. coli
Inventors:
W. K. Raymond Wong, Margaret L. Sutherland
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: May 11, 1995
Inventors
W. K. Raymond Wong
Margaret L. Sutherland
Assignee (at issue)
Astra AB
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.