Granted Patent
Utility
US 6,494,730 · App. 09/953,550
Lamp socket locking insert in combination with a medium screw lamp base
Inventor:
Ellis Yan
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Sep 17, 2001
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.