Granted Patent
Utility
US 5,569,205 · App. 08/275,620
Multiport trocar
Inventors:
Charles C. Hart, Vincent C. Tangherlini
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Jul 14, 1994
Inventors
Charles C. Hart
Vincent C. Tangherlini
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.