Granted Patent
Utility
US 5,980,571 · App. 08/989,267
Substitute-heart control apparatus
Inventors:
Takashi Nomura, Douglas W. Blakely, Setsuo Takatani, Keizo Kawaguchi
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Dec 11, 1997
Inventors
Takashi Nomura
Douglas W. Blakely
Setsuo Takatani
Keizo Kawaguchi
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.