Granted Patent
Utility
US 6,709,131 · App. 09/641,469
Luminaire having a mock light source for improved source brightness control and method
Inventors:
Douglas J. Herst, Peter Y. Y. Ngai, Hue Ly
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Aug 17, 2000
Inventors
Douglas J. Herst
Peter Y. Y. Ngai
Hue Ly
Assignee (at issue)
Acuity Brands, 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.