Granted Patent
Utility
US 4,173,796 · App. 05/858,921
Total artificial hearts and cardiac assist devices powered and controlled by reversible electrohydraulic energy converters
Inventor:
Robert Jarvik
Patented Case
View Patent ↗
Granted: Nov 13, 1979
Filed: Dec 9, 1977
Inventor
Robert Jarvik
Assignee (at issue)
THE UNIVERSITY OF UTAH
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.