IP Library Granted Patent US 5,420,523
Granted Patent Utility
US 5,420,523 · App. 07/986,149

Apparatus and method for measuring performance parameters of electric motors

Inventors: Joel B. Walker, Stanley E. Wallace, Harjit S. Saini, Chester J. Cobosco
Patented Case View Patent ↗
Granted: May 30, 1995 Filed: Dec 4, 1992
Inventors
Joel B. Walker
Stanley E. Wallace
Harjit S. Saini
Chester J. Cobosco
Assignee (at issue)
Reliance Industries Limited

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 5,420,523
App. No.
07/986,149
Filed
1992-12-04
Granted
1995-05-30
Kind
A