Membership
Tour
Register
Log in
John Mark Danna
Follow
Person
Atlanta, GA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Offshore drilling system
Patent number
6,325,159
Issue date
Dec 4, 2001
Hydril Company
Charles P. Peterman
E21 - EARTH DRILLING MINING