Membership
Tour
Register
Log in
Andre L. Piazza
Follow
Person
Houston, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus utilizing rotary motion of a member as the motive force f...
Patent number
4,307,889
Issue date
Dec 29, 1981
NL Industries, Inc.
Andre L. Piazza
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for protecting subsea wells
Patent number
4,273,472
Issue date
Jun 16, 1981
FMC Corporation
Andre L. Piazza
E21 - EARTH DRILLING MINING