Granted Patent
Utility
US 6,667,623 · App. 10/039,407
Light degradation sensing led signal with visible fault mode
Inventors:
Jean-Simon Bourgault, Claude Boisvert
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Nov 7, 2001
Inventors
Jean-Simon Bourgault
Claude Boisvert
Assignee (at issue)
GELcore 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.