PYRAMID RETAINING WALLS, LLC

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PRESCOTT, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Masonry wall supported fence and method
- Patent number 7,188,453
- Issue date Mar 13, 2007
- Pyramid Retaining Walls, LLC
- Harold H. Greenberg
- E04 - BUILDING
Information Patent Grant
Masonry retainer wall system and method
- Patent number 6,632,048
- Issue date Oct 14, 2003
- Pyramid Retaining Walls, LLC
- Harold H. Greenberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Masonry retainer wall system and method
- Patent number 6,431,797
- Issue date Aug 13, 2002
- Pyramid Retaining Walls, LLC
- Harold H. Greenberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

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Patents Applicationslast 30 patents

Information Patent Application
LINTEL SUPPORTED MASONRY WALL SYSTEM WITH TENSIONING RODS
- Publication number 20060265982
- Publication date Nov 30, 2006
- PYRAMID RETAINING WALLS, LLC
- Harold H. Greenberg
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING