Granted Patent
Utility
US 6,439,740 · App. 09/434,555
Lighting fixture having a screw lock lamp support
Inventor:
Ellis Yan
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 8, 1999
Inventor
Ellis Yan
Assignee (at issue)
Technical Consumer Products, Inc.
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.