Granted Patent
Utility
US 6,835,568 · App. 10/020,472
Regulated nucleic acid expression system
Inventors:
Yung-Nien Chang, Yajin Ni, Boro Dropulic
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Oct 30, 2001
Inventors
Yung-Nien Chang
Yajin Ni
Boro Dropulic
Assignee (at issue)
Virxsys 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.