Granted Patent
Utility
US 5,053,910 · App. 07/421,802
Surge suppressor for coaxial transmission line
Inventor:
Richard J. Goldstein
Patented Case
View Patent ↗
Granted: Oct 1, 1991
Filed: Oct 16, 1989
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.