David H Barefield

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Avon Park, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Post anchor
- Patent number 6,560,935
- Issue date May 13, 2003
- David H Barefield
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Post anchor and method of installing a post
- Patent number 5,899,030
- Issue date May 4, 1999
- David H Barefield
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Post anchor and method of installing a post
- Patent number 5,661,932
- Issue date Sep 2, 1997
- David H. Barefield
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING