IP Library › Granted Patent US 5,396,172
Granted Patent Utility
US 5,396,172 · App. 08/093,615

Transformer fault analyzer

Inventors: Michael V. Lat, Thomas A. Gough
Patented Case View Patent ↗
Granted: Mar 7, 1995 Filed: Jul 20, 1993
Inventors
Michael V. Lat
Thomas A. Gough
Assignee (at issue)
Ontario Hydro

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,396,172
App. No.
08/093,615
Filed
1993-07-20
Granted
1995-03-07
Kind
A