Granted Patent
Utility
US 4,418,150 · App. 06/349,903
Yeast containing plasmids providing killer characteristics
Inventor:
Norio Gunge
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Feb 18, 1982
Inventor
Norio Gunge
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.