Granted Patent
Utility
US 6,157,471 · App. 09/284,238
Display panel with compensation by holographic birefringent films
Inventors:
Laurent Bignolles, Frederic de Lauzun, Bertrand Morbieu, Laurent Georges, Jean-Claude Lehureau
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Apr 14, 1999
Inventors
Laurent Bignolles
Frederic de Lauzun
Bertrand Morbieu
Laurent Georges
Jean-Claude Lehureau
Assignees (at issue)
Thomson-CSF
Sextant Avionique
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.