Granted Patent
Utility
US 6,377,051 · App. 09/454,907
Relay test set using computer controlled voltage supply to stimulate both voltage and current transformers
Inventors:
Richard E. Tyner, Gregory J. Grote
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Dec 3, 1999
Inventors
Richard E. Tyner
Gregory J. Grote
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.