Granted Patent
Utility
US 6,146,410 · App. 09/077,066
Apparatus for the photodynamic treatment of living beings or organs thereof
Inventors:
Tibor Nagypal, Gunther Hofmann
Patented Case
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Granted: Nov 14, 2000
Filed: Dec 17, 1998
Inventors
Tibor Nagypal
Gunther Hofmann
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.