Granted Patent
Utility
US 6,117,648 · App. 08/925,167
Method for the activation of blood coagulation factor XII
Inventors:
Yoji Shibayama, Allen P. Kaplan
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Sep 8, 1997
Inventors
Yoji Shibayama
Allen P. Kaplan
Assignee (at issue)
NIPPON ZOKI PHARMACEUTICAL CO., LTD.
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.