This patenet seems to describe or use elements of an Invention I patented in Australia, USA UK etc in the late 1970s and has subsequently been used and or published in uniaxial, triaxial sesquiaxial and septaxial forms. These patents expired long ago. The product has been used for breakwaters and coastal and lakeshore erosion control, spillways and SUDS driveways, and for retaining walls stacked on end and on sides.

Photos, design manuals and basic design software are available on request from [email protected]

Was this prior Art disclosed in the patent application? What is the inventive step that allows the granting of some parts of this patent?