Granted Patent
Utility
US 5,871,448 · App. 08/949,731
Stepper apparatus for use in the imaging/treatment of internal organs using an ultrasound probe
Inventor:
Terence R. Ellard
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Oct 14, 1997
Inventor
Terence R. Ellard
Assignee (at issue)
Real World Design and Development Co.
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.