Granted Patent
Utility
US 5,223,227 · App. 07/703,203
Disposable pin and cup with reuseable stem and collar for blood coagulation analyzer
Inventor:
Leon Zuckerman
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: May 20, 1991
Inventor
Leon Zuckerman
Assignee (at issue)
Haemoscope 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.