Granted Patent
Utility
US 6,508,586 · App. 09/964,582
IVR-CT apparatus
Inventor:
Satoshi Oota
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Sep 28, 2001
Inventor
Satoshi Oota
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.