Granted Patent
Utility
US 5,938,316 · App. 08/980,564
Enhanced safety retrofit system for luminaria
Inventor:
Ellis Yan
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Dec 1, 1997
Inventor
Ellis Yan
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.