Granted Patent
Utility
US 5,539,485 · App. 08/331,882
Illumination device for providing continuous diffuse light on and off an observing axis
Inventor:
Timothy P. White
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Oct 31, 1994
Inventor
Timothy P. White
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.