Granted Patent
Utility
US 5,476,777 · App. 07/998,972
Methods for producing thrombin
Inventors:
Richard D. Holly, Donald C. Foster
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Dec 30, 1992
Inventors
Richard D. Holly
Donald C. Foster
Assignee (at issue)
ZYMOGENETICS INC.
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.