Granted Patent
Utility
US 5,858,729 · App. 08/616,032
Expression of porcine reproductive respiratory syndrome virus polypeptides in the same cell
Inventors:
Petrus Alphonsus Maria Van Woensel, Karl-Klaus Conzelmann
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Mar 14, 1996
Inventors
Petrus Alphonsus Maria Van Woensel
Karl-Klaus Conzelmann
Assignee (at issue)
AKZO NOBEL N.V.
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.