Granted Patent
Utility
US 4,455,586 · App. 06/368,513
High voltage filtering and protection circuit
Inventor:
Thomas McCartney
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Apr 15, 1982
Inventor
Thomas McCartney
Assignee (at issue)
Oneac 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.