Richard R. Roper

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Mandeville, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-elevating drilling unit
- Patent number 6,491,477
- Issue date Dec 10, 2002
- Bennett & Associates, LLC
- William T. Bennett
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SELF-ELEVATING DRILLING UNIT
- Publication number 20020159840
- Publication date Oct 31, 2002
- William T. Bennett
- E21 - EARTH DRILLING MINING