Granted Patent
Utility
US 6,183,980 · App. 09/461,805
Method for locating defects in the clotting system
Inventors:
Annelie Siegemund, Thomas Siegemund
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Dec 16, 1999
Inventors
Annelie Siegemund
Thomas Siegemund
Assignee (at issue)
Dade Behring Marburg 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.