Granted Patent
Utility
US 5,720,540 · App. 08/483,245
Accessible ballast and ballast mounting
Inventors:
Charles E. Crown, George R. Pettit
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Jun 7, 1995
Inventors
Charles E. Crown
George R. Pettit
Assignee (at issue)
Anthony's Manufacturing Company, Inc.
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.