Granted Patent
Utility
US 4,816,976 · App. 07/010,517
High efficiency luminaire with high angle brightness control
Inventors:
Herbert A. Fouke, John R. Brass
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Feb 3, 1987
Inventors
Herbert A. Fouke
John R. Brass
Assignee (at issue)
Manville Corporation
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.