Granted Patent
Utility
US 4,837,669 · App. 07/007,889
Low profile industrial luminaire
Inventors:
Terry M. Tharp, David W. Roberts, John C. McCartney, John W. Harvey
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Jan 28, 1987
Inventors
Terry M. Tharp
David W. Roberts
John C. McCartney
John W. Harvey
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.