Granted Patent
Utility
US 5,976,861 · App. 07/355,133
Method and means for producing an immunoglobulin-binding protein
Inventors:
Bengt Guss, Jan-Ingmar Flock, Martin Lindberg, Mathias Uhlen
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: May 16, 1989
Inventors
Bengt Guss
Jan-Ingmar Flock
Martin Lindberg
Mathias Uhlen
Assignee (at issue)
Pharmacia Biotech Aktiebolag
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.