Granted Patent
Utility
US 6,623,140 · App. 09/835,070
Illumination device having multiple light sources
Inventors:
Scott R. Watterson, Jaremy T. Butler
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Apr 13, 2001
Inventors
Scott R. Watterson
Jaremy T. Butler
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.