Granted Patent
Utility
US 6,533,727 · App. 09/505,453
Ultrasonic system and method employing non-integer harmonic echo signals for imaging
Inventor:
George Brock-Fisher
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Feb 11, 2000
Inventor
George Brock-Fisher
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.