Granted Patent
Utility
US 4,874,702 · App. 06/921,803
Vectors and methods for making such vectors and for expressive cloned genes
Inventors:
Walter Fiers, Rene Erik Remaut
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Oct 20, 1986
Inventors
Walter Fiers
Rene Erik Remaut
Assignee (at issue)
Biogen Inc.
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.