James A. Howard

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-stage well-drilling mast assembly
- Patent number 4,109,800
- Issue date Aug 29, 1978
- BJ-Hughes Inc.
- James A. Howard
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Vertically adjustable pipe racking apparatus
- Patent number 3,978,993
- Issue date Sep 7, 1976
- Byron Jackson, Inc.
- James A. Howard
- E21 - EARTH DRILLING MINING