Granted Patent
Utility
US 6,551,247 · App. 09/777,670
Ultrasonic probe
Inventors:
Koetsu Saito, Yasushi Koishihara, Junichi Takeda, Hirokazu Fukase
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Feb 7, 2001
Inventors
Koetsu Saito
Yasushi Koishihara
Junichi Takeda
Hirokazu Fukase
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.