Granted Patent
Utility
US 5,304,372 · App. 07/913,933
Process for preparing a human thrombin concentrate intended for therapeutic use
Inventors:
Catherine Michalski, Dominique Dernis
Patented Case
View Patent ↗
Granted: Apr 19, 1994
Filed: Jul 17, 1992
Inventors
Catherine Michalski
Dominique Dernis
Assignee (at issue)
Association pour l'Essor de la Transfusion Sanguine dans la Region du Nord
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.