Membership
Tour
Register
Log in
Paul Darlington
Follow
Person
Southampton, GB
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Ear defenders employing active noise control
Patent number
5,600,729
Issue date
Feb 4, 1997
The Secretary of State for Defence in her Britannic Majesty's Government of t...
Paul Darlington
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE