Granted Patent
Utility
US 4,339,690 · App. 06/174,472
Energy saving fluorescent lighting system
Inventors:
Robert J. Regan, Adrian I. Cogan, Carl F. Buhrer
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Aug 1, 1980
Inventors
Robert J. Regan
Adrian I. Cogan
Carl F. Buhrer
Assignee (at issue)
GTE Laboratories Incorporated
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.