Granted Patent
Utility
US 5,949,017 · App. 08/778,608
Electrical transformers containing electrical insulation fluids comprising high oleic acid oil compositions
Inventors:
Thottathil V. Oommen, C. Clair Claiborne
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Jan 6, 1997
Inventors
Thottathil V. Oommen
C. Clair Claiborne
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.