Granted Patent
Utility
US 6,481,867 · App. 09/803,507
Modular luminaire assembly
Inventor:
Robert L. Ewing
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Mar 9, 2001
Inventor
Robert L. Ewing
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.