Granted Patent
Utility
US 6,833,796 · App. 09/766,479
Count down led traffic signal
Inventor:
Jean-Simon Bourgault
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jan 19, 2001
Inventor
Jean-Simon Bourgault
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.