Granted Patent
Utility
US 6,793,680 · App. 10/463,267
Knee joint endoprosthesis
Inventors:
Hans Grundei, Wolfram Thomas
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jun 17, 2003
Inventors
Hans Grundei
Wolfram Thomas
Assignee (at issue)
ESKA IMPLANTS 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.