Membership
Tour
Register
Log in
Ray Myers
Follow
Person
Slidell, LA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Pressure energized/pressure intensified casing seal
Patent number
4,848,777
Issue date
Jul 18, 1989
FMC Corporation
David A. Zollo
E21 - EARTH DRILLING MINING