Granted Patent
Utility
US 6,503,081 · App. 09/606,464
Ultrasonic control apparatus and method
Inventor:
James Feine
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jun 29, 2000
Inventor
James Feine
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.