Granted Patent
Utility
US 6,828,560 · App. 10/059,401
Integrated light concentrator
Inventors:
David K. Lambert, Han-Sheng Lee, Dan W. Chilcott, Hamid R. Borzabadi, Qin Jiang, James Logsdon
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Jan 31, 2002
Inventors
David K. Lambert
Han-Sheng Lee
Dan W. Chilcott
Hamid R. Borzabadi
Qin Jiang
James Logsdon
Assignee (at issue)
Delphi Technologies
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.