Granted Patent
Utility
US 6,806,968 · App. 10/281,141
Apparatus and method for measuring a workpiece
Inventor:
Otto Ruck
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Oct 28, 2002
Inventor
Otto Ruck
Assignee (at issue)
Carl Zeiss Stiftung
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.