IP Library Granted Patent US 4,578,639
Granted Patent Utility
US 4,578,639 · App. 06/585,483

Metering system for measuring parameters of high AC electric energy flowing in an electric conductor

Inventor: Robert C. Miller
Patented Case View Patent ↗
Granted: Mar 25, 1986 Filed: Mar 2, 1984
Inventor
Robert C. Miller
Assignee (at issue)
Westinghouse Electric Company LLC

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 4,578,639
App. No.
06/585,483
Filed
1984-03-02
Granted
1986-03-25
Kind
A