Granted Patent
Utility
US 4,834,743 · App. 06/928,448
Autologous transfusion system and apparatus
Inventor:
Michael A. Valerio
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Nov 10, 1986
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.