Granted Patent
Utility
US 6,425,906 · App. 09/530,966
Ultrasonic cutting tool
Inventors:
Michael J. Young, Stephen M. Young
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Jun 28, 2000
Inventors
Michael J. Young
Stephen M. Young
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.