David V. Person

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Person

Sugar Land, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for lining tubulars and lined tubular assembly
- Patent number 6,294,042
- Issue date Sep 25, 2001
- Varco International, Inc.
- John M. Nelson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for lining tubulars
- Patent number 5,964,981
- Issue date Oct 12, 1999
- Tuboscope Vetco International, Inc.
- John M. Nelson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL