Granted Patent
Utility
US 5,865,840 · App. 08/955,939
Enhancement of light activation effect by immune augmentation
Inventor:
James C. Chen
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Oct 22, 1997
Inventor
James C. Chen
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.