Granted Patent
Utility
US 6,454,789 · App. 09/232,129
Patient portable device for photodynamic therapy
Inventors:
James C. Chen, Brian D. Wilkerson, Dave Brown, Darrin Huston, Mike McQuade
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jan 15, 1999
Inventors
James C. Chen
Brian D. Wilkerson
Dave Brown
Darrin Huston
Mike McQuade
Assignee (at issue)
Light Sciences LLC
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.