Granted Patent
Utility
US 5,381,071 · App. 08/226,794
Lamp base for a position dependent lamp utilizing a winged positioning pin
Inventor:
Huiling Zhu
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Apr 12, 1994
Inventor
Huiling Zhu
Assignee (at issue)
OSRAM SYLVANIA 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.