Granted Patent
Utility
US 5,643,007 · App. 08/713,658
Transformer tap connector
Inventor:
Harold Younger
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Sep 13, 1996
Inventor
Harold Younger
Assignee (at issue)
ABB Power T&D Company 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.