Granted Patent
Utility
US 6,414,792 · App. 09/719,535
Analyzer insert for a polarizing microscope
Inventor:
Norbert Gaul
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Dec 13, 2000
Inventor
Norbert Gaul
Assignee (at issue)
Leica Microsystems Wetzlar 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.