Granted Patent
Utility
US 6,628,408 · App. 09/651,920
Amplitude measurement for an ultrasonic horn
Inventors:
Kent A. Franklin, Thomas David Ehlert
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Aug 31, 2000
Inventors
Kent A. Franklin
Thomas David Ehlert
Assignee (at issue)
Kimberly-Clark Worldwide, 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.