Granted Patent
Utility
US 6,239,778 · App. 09/103,941
Variable light attentuating dichroic dye guest-host device
Inventors:
Peter Palffy-Muhoray, Tamas Kosa, Bahman Taheri
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jun 24, 1998
Inventors
Peter Palffy-Muhoray
Tamas Kosa
Bahman Taheri
Assignee (at issue)
ALPHAMICRON INCORPORATED
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.