Granted Patent
Utility
US 5,639,621 · App. 08/468,661
Monoclonal antibodies against tumor-associated antigens
Inventors:
Klaus Bosslet, Peter Pfleiderer, Gerhard Seemann
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Jun 6, 1995
Inventors
Klaus Bosslet
Peter Pfleiderer
Gerhard Seemann
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.