Andre L. Piazza

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Houston, TX, US

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Patents Grantslast 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