Granted Patent
Utility
US 6,709,446 · App. 09/774,084
Illuminator for photodynamic therapy and diagnosis which produces substantially uniform intensity visible light
Inventors:
Scott Lundahl, Rebecca Kozodoy, Ronald Carroll, Elton Leppelmeier
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Jan 31, 2001
Inventors
Scott Lundahl
Rebecca Kozodoy
Ronald Carroll
Elton Leppelmeier
Assignee (at issue)
DUSA Pharmaceuticals, 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.