Granted Patent
Utility
US 6,414,436 · App. 09/241,011
Sapphire high intensity discharge projector lamp
Inventors:
Ben Eastlund, Maurice Levis
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Feb 1, 1999
Inventors
Ben Eastlund
Maurice Levis
Assignee (at issue)
Gem Lighting, 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.