IP Library › Granted Patent US 4,379,242
Granted Patent Utility
US 4,379,242 · App. 06/203,059

Eddy current coupling having rotating and non-rotating flux paths

Inventor: Daniel J. MacDonald
Patented Case View Patent ↗
Granted: Apr 5, 1983 Filed: Nov 3, 1980
Inventor
Daniel J. MacDonald
Assignee (at issue)
Litton Industrial Products, 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.

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 4,379,242
App. No.
06/203,059
Filed
1980-11-03
Granted
1983-04-05
Kind
A