Granted Patent
Utility
US 4,596,256 · App. 06/574,009
Portable apparatus for recording electrocardiograms
Inventors:
Gilles Ascher, Jean-Pierre Coustenoble
Patented Case
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Granted: Jun 24, 1986
Filed: Jan 26, 1984
Inventors
Gilles Ascher
Jean-Pierre Coustenoble
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.