Granted Patent
Utility
US 6,833,669 · App. 09/888,954
Method and apparatus for making large-scale laminated foil-back electroluminescent lamp material, as well as the electroluminescent lamps and strip lamps produced therefrom
Inventors:
Douglas A. George, Gustaf T. Appelberg
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jun 25, 2001
Inventors
Douglas A. George
Gustaf T. Appelberg
Assignee (at issue)
E-Lite Technologies, 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.