Granted Patent
Utility
US 6,345,800 · App. 09/362,640
Universal load-bearing hanger bracket and method for hanging a lighting fixture below a grid ceiling system at on-grid or off-grid locations
Inventors:
Douglas J. Herst, Michael Trung Tran
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Jul 27, 1999
Inventors
Douglas J. Herst
Michael Trung Tran
Assignee (at issue)
NSI Enterprises, 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.