Granted Patent
Utility
US 6,540,680 · App. 09/685,084
Ultrasonic diagnostic apparatus
Inventor:
Tatsuru Kurosaki
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Oct 11, 2000
Inventor
Tatsuru Kurosaki
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.