Granted Patent
Utility
US 6,685,656 · App. 09/229,855
Ultrasonic treatment for wounds
Inventors:
Luiz R. Duarte, Roger J. Talish
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jan 13, 1999
Inventors
Luiz R. Duarte
Roger J. Talish
Assignee (at issue)
Exogen, 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.