Granted Patent
Utility
US 5,578,464 · App. 08/438,803
E. coli secretory strains
Inventors:
Charles A. Lunn, Satwant K. Narula, Richard Reim
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: May 11, 1995
Inventors
Charles A. Lunn
Satwant K. Narula
Richard Reim
Assignee (at issue)
SCHERING 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.