Granted Patent
Utility
US 5,218,508 · App. 07/476,326
Electrical surge arrester/diverter
Inventor:
Rodney M. Doone
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Feb 7, 1990
Inventor
Rodney M. Doone
Assignee (at issue)
Bowthorpe Industries, Ltd.
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.