IP Library › Granted Patent US 5,557,640
Granted Patent Utility
US 5,557,640 · App. 08/269,074

Phase and amplitude equalization arrangement

Inventor: Peter Edward Chadwick
Patented Case View Patent ↗
Granted: Sep 17, 1996 Filed: Jun 30, 1994
Inventor
Peter Edward Chadwick
Assignee (at issue)
Plessey Semiconductors Ltd

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 5,557,640
App. No.
08/269,074
Filed
1994-06-30
Granted
1996-09-17
Kind
A