James S. Martin

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Charlotte, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular wall block with mechanical anchor pin
- Patent number 6,622,445
- Issue date Sep 23, 2003
- Ridgerock Retaining Walls, Inc.
- Curtis W. Shillingburg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Retaining wall block
- Patent number 6,474,036
- Issue date Nov 5, 2002
- James S. Martin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Retaining wall block having a locking shear key for residing betwee...
- Patent number 6,168,354
- Issue date Jan 2, 2001
- James S. Martin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Retaining wall block
- Publication number 20010004822
- Publication date Jun 28, 2001
- James S. Martin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING