Membership
Tour
Register
Log in
James E. Humphries
Follow
Person
Liverpool, GB
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Vibrating element transducer
Patent number
5,521,884
Issue date
May 28, 1996
Lucas Industries Public Limited Company
James E. Humphries
G01 - MEASURING TESTING