Granted Patent
Utility
US 4,792,523 · App. 06/646,584
3'Expression enhancing fragments and method
Inventors:
Hing C. Wong, Shing Chang
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Aug 31, 1984
Inventors
Hing C. Wong
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.