Granted Patent
Utility
US 5,318,910 · App. 08/004,495
Standard whole blood composition for determining the potency of blood clotting inhibitory substances
Inventor:
Frank LaDuca
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Jan 14, 1993
Inventor
Frank LaDuca
Assignee (at issue)
International Technidyne Corporation
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.