Granted Patent
Utility
US 5,989,249 · App. 08/639,623
Bipolar suction coagulator
Inventor:
Lawrence T. Kirwan, Jr.
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Apr 29, 1996
Inventor
Lawrence T. Kirwan, Jr.
Assignee (at issue)
Kirwan Surgical Products LLC
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.