Granted Patent
Utility
US 4,451,762 · App. 06/389,806
Control circuit and system for providing emergency lighting
Inventors:
Don A. Forte, Michael B. Aldava
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Jun 18, 1982
Inventors
Don A. Forte
Michael B. Aldava
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.