Granted Patent
Utility
US 4,712,584 · App. 06/939,010
Surge suppressor
Inventor:
Ramon Pareja
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Dec 8, 1986
Inventor
Ramon Pareja
Assignee (at issue)
Lear Siegler, 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.