Granted Patent
Utility
US 6,703,621 · App. 10/051,205
Method for the optical acquisition of characteristic sizes of an illuminated sample
Inventor:
Ralf Wolleschensky
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jan 16, 2002
Inventor
Ralf Wolleschensky
Assignee (at issue)
Carl Zeiss Jena GmbH
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.