Granted Patent
Utility
US 6,428,482 · App. 09/810,214
Central-artery-pressure-waveform estimating apparatus
Inventors:
Kenji Sunagawa, Masaru Sugimachi
Patented Case
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Granted: Aug 6, 2002
Filed: Mar 19, 2001
Inventors
Kenji Sunagawa
Masaru Sugimachi
Assignee (at issue)
Colin Corporation
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.