Granted Patent
Utility
US 6,428,511 · App. 09/171,543
Trocar spike with a point
Inventor:
Hubert Manhes
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Sep 3, 1999
Inventor
Hubert Manhes
Assignee (at issue)
Karl Storz GmbH & Co. KG
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.