Granted Patent
Utility
US 5,368,554 · App. 07/979,181
Blood pumping system with selective backflow warning
Inventors:
Richard A. Nazarian, Marc Henry Agnew, Daniel Schneider, Wilfred A. Mead
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Nov 20, 1992
Inventors
Richard A. Nazarian
Marc Henry Agnew
Daniel Schneider
Wilfred A. Mead
Assignees (at issue)
Minnesota Mining and Manufacturing Company
VIASAT, INC.
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.