Granted Patent
Utility
US 5,674,248 · App. 08/486,760
Staged energy concentration for an implantable biomedical device
Inventors:
Mark W. Kroll, Dennis A. Brumwell, Ann M. Donohoo
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Jun 7, 1995
Inventors
Mark W. Kroll
Dennis A. Brumwell
Ann M. Donohoo
Assignee (at issue)
Angeion Corp.
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.