Granted Patent
Utility
US 5,694,103 · App. 08/637,399
Laminated figure 8 power meter core
Inventors:
R. Wendell Goodwin, David N. Makinson, Richard Timko
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Apr 25, 1996
Inventors
R. Wendell Goodwin
David N. Makinson
Richard Timko
Assignee (at issue)
Schlumberger Industires, S.A.
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.