IP Library › Granted Patent US 4,955,025
Granted Patent Utility
US 4,955,025 · App. 07/326,458

Fibre-optic lasers and amplifiers

Inventors: Robert Joseph Mears, Laurence Reekie, Simon Poole, David Neil Payne
Patented Case View Patent ↗
Granted: Sep 4, 1990 Filed: Mar 20, 1989
Inventors
Robert Joseph Mears
Laurence Reekie
Simon Poole
David Neil Payne

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 4,955,025
App. No.
07/326,458
Filed
1989-03-20
Granted
1990-09-04
Kind
A