Granted Patent
Utility
US 6,377,397 · App. 09/656,902
Illumination device for a surgical microscope
Inventors:
Juergen Pensel, Ulrich Sander
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Sep 7, 2000
Inventors
Juergen Pensel
Ulrich Sander
Assignee (at issue)
LEICA MICROSYSTEMS NC, INC.
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.