Membership
Tour
Register
Log in
Lothar Anheuser
Follow
Person
Bad Nauheim, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Shield tail sealing
Patent number
5,346,331
Issue date
Sep 13, 1994
Phoenix Aktiengesellschaft
Siegfried Glang
E21 - EARTH DRILLING MINING