Granted Patent
Utility
US 6,334,849 · App. 09/576,435
Heart-function monitor apparatus
Inventor:
Kenji Sunagawa
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: May 22, 2000
Inventor
Kenji Sunagawa
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.