Granted Patent
Utility
US 5,237,482 · App. 07/819,765
High voltage surge arrester with failed surge arrester signaling device
Inventors:
Joseph C. Osterhout, Steven P. Hensley
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Jan 13, 1992
Inventors
Joseph C. Osterhout
Steven P. Hensley
Assignee (at issue)
Joslyn 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.