Granted Patent
Utility
US 6,469,444 · App. 09/647,528
Lamp with improved color rendering
Inventors:
Yongzhang Leng, James T. Dolan, Bruce E. Shanks
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 2, 2000
Inventors
Yongzhang Leng
James T. Dolan
Bruce E. Shanks
Assignee (at issue)
Fusion Lighting, 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.