Granted Patent
Utility
US 4,892,529 · App. 07/268,666
Method of autologous transfusion
Inventor:
Michael A. Valerio
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Nov 4, 1988
Inventor
Michael A. Valerio
Assignee (at issue)
Sherwood Medical Company
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.