Granted Patent
Utility
US 6,003,992 · App. 09/089,305
Back lighting illumination system
Inventors:
Sheila Bergeron Dunn, Michael C. Messina, Jonathan Charles Chouinard, Joseph Marcel Laflamme
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Jun 2, 1998
Inventors
Sheila Bergeron Dunn
Michael C. Messina
Jonathan Charles Chouinard
Joseph Marcel Laflamme
Assignee (at issue)
Northeast Robotics 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.