Granted Patent
Utility
US 4,816,396 · App. 06/843,940
Method and vector organism for controlled accumulation of heterologous gene products in bacillus subtilis
Inventor:
Shing Chang
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Mar 25, 1986
Inventor
Shing Chang
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.