Granted Patent
Utility
US 5,854,021 · App. 08/807,415
Enhance protein production method
Inventors:
Myung-Sam Cho, Van-Mai Tran
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Feb 28, 1997
Inventors
Myung-Sam Cho
Van-Mai Tran
Assignee (at issue)
Bayer Aktiengesellschaft
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.