Granted Patent
Utility
US 4,538,217 · App. 06/533,322
Floodlight luminaire
Inventors:
Robert L. Ewing, James S. Hughes, Bruce G. Bruggeman
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Sep 16, 1983
Inventors
Robert L. Ewing
James S. Hughes
Bruce G. Bruggeman
Assignee (at issue)
Manville Service 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.