Granted Patent
Utility
US 6,083,485 · App. 08/849,369
Near infrared radiation in-vivo diagnostic methods and dyes
Inventors:
Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Nov 7, 1997
Inventors
Kai Licha
Bjorn Riefke
Wolfhard Semmler
Ulrich Speck
Christoph-Stephan Hilger
Assignees (at issue)
Institut fur Diagnosikforschung GmbH
Der Freien Universitat Berline
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.