Granted Patent
Utility
US 6,508,774 · App. 09/523,915
Hifu applications with feedback control
Inventors:
David E. Acker, Patrick David Lopath
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Mar 9, 2000
Inventors
David E. Acker
Patrick David Lopath
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.