Granted Patent
Utility
US 5,905,623 · App. 08/863,488
Telephone and data overvoltage protection apparatus including a longitudinal transformer
Inventor:
Thomas McCartney
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: May 27, 1997
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.