Granted Patent
Utility
US 6,763,722 · App. 09/904,620
Ultrasonic transducers
Inventors:
Todd Fjield, Patrick David Lopath, Edward Paul Harhen
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jul 13, 2001
Inventors
Todd Fjield
Patrick David Lopath
Edward Paul Harhen
Assignee (at issue)
Transurgical, 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.