Granted Patent
Utility
US 4,587,588 · App. 06/585,853
Power line transient surge suppressor
Inventor:
Richard J. Goldstein
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Mar 2, 1984
Inventor
Richard J. Goldstein
Assignee (at issue)
Perma Power Electronics, 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.