David J. Enright

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Breaux Bridge, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wellhead apparatus involving a free fall plunger in a well
- Patent number 5,012,864
- Issue date May 7, 1991
- Vernon E. Faulconer, Inc.
- David J. Enright
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellhead apparatus for use with a plunger produced gas well having...
- Patent number 4,898,235
- Issue date Feb 6, 1990
- Vernon E. Faulconer, Inc.
- David J. Enright
- E21 - EARTH DRILLING MINING