Granted Patent
Utility
US 6,464,704 · App. 09/885,673
Bipolar electrosurgical instrument with replaceable electrodes
Inventors:
Dale Schmaltz, Robert Luzzi, David N. Heard, Steven Buysee, Kate Lawes, Daniel Lee Trimberger, II, Mathew Erle Mitchell, Jenifer Kennedy
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Jun 20, 2001
Inventors
Dale Schmaltz
Robert Luzzi
David N. Heard
Steven Buysee
Kate Lawes
Daniel Lee Trimberger, II
Mathew Erle Mitchell
Jenifer Kennedy
Assignee (at issue)
SHERWOOD SERVICES AG
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.