Granted Patent
Utility
US 6,198,579 · App. 09/336,341
Process for the correction of non-rotationally-symmetrical image errors
Inventor:
Wolfgang Rupp
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Jun 18, 1999
Inventor
Wolfgang Rupp
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.