Patent ID: 7632036

Claim:
A paving assembly, comprising: first paving stone units having a shape selected in the group consisting of squares and rectangles; and second paving stone units having a shape with an envelope selected in the group consisting of squares and rectangles, with a notch cut out from said envelope at right angles; wherein said second paving stone units have notches of different sizes in one of a generally lengthwise direction and a generally widthwise direction; said first and second paving stone units being laid with sides thereof adjacent one another and with a bottom surface thereof on an underlying surface, separated by lines of joint, to completely cover the underlying surface except at said lines of joint, said notches of said second paving stone units breaking the continuity of said lines of joint, said first paving stone units and said second paving stone units being randomly installed from mixed skids thereof, said paving assembly having a randomized layout.