Granted Patent
Utility
US 5,484,398 · App. 08/210,787
Methods of making and using ultrasonic handpiece
Inventor:
Robert B. Stoddard
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Mar 17, 1994
Inventor
Robert B. Stoddard
Assignee (at issue)
Valleylab, Inc.
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.