Granted Patent
Utility
US 6,551,245 · App. 09/708,643
Ultrasonic probe
Inventors:
Kazuyoshi Irioka, Eiichi Ookawa, Jun Koizumi
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Nov 9, 2000
Inventors
Kazuyoshi Irioka
Eiichi Ookawa
Jun Koizumi
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.