Granted Patent
Utility
US 6,164,968 · App. 09/086,142
Trimodular ultrasonic dental device
Inventor:
James Feine
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: May 28, 1998
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.