Granted Patent
Utility
US 6,611,643 · App. 09/881,046
Illuminating device and microscope
Inventors:
Holger Birk, Rafael Storz
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Jun 15, 2001
Inventors
Holger Birk
Rafael Storz
Assignee (at issue)
Leica Microsystems Heidelberg 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.