Granted Patent
Utility
US 5,223,256 · App. 07/585,129
Thrombolytically active non-glycosylated protein
Inventors:
Anne Stern, Ulrich Kohnert, Rainer Rudolph, Stephan Fischer, Ulrich Martin
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Sep 28, 1990
Inventors
Anne Stern
Ulrich Kohnert
Rainer Rudolph
Stephan Fischer
Ulrich Martin
Assignee (at issue)
Boehringer Mannheim GmbH
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.