Granted Patent
Utility
US 4,077,882 · App. 05/726,807
Isolating and blood pressure transmitting apparatus for extracorporeal blood treatment system
Inventor:
Ronald J. Gangemi
Patented Case
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Granted: Mar 7, 1978
Filed: Sep 27, 1976
Inventor
Ronald J. Gangemi
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.