Granted Patent
Utility
US 6,293,913 · App. 09/501,240
Doppler ultrasonic diagnosis apparatus
Inventors:
Hiroyuki Tsujino, Takuya Sasaki
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Feb 10, 2000
Inventors
Hiroyuki Tsujino
Takuya Sasaki
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.