Granted Patent
Utility
US 6,669,646 · App. 10/407,195
Arteriosclerosis evaluating apparatus
Inventors:
Kiyoyuki Narimatsu, Toshihiko Ogura
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Apr 7, 2003
Inventors
Kiyoyuki Narimatsu
Toshihiko Ogura
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.