Granted Patent
Utility
US 4,858,091 · App. 07/127,339
Luminaire with uplight control
Inventor:
Herbert A. Fouke
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Dec 1, 1987
Inventor
Herbert A. Fouke
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.