| 4583341 | Interlocking ground covering elements and arrangements of them for mechanical laying | April, 1986 | Barth et al. |
| DE2409188 | September, 1975 |
FIG. 1 is a top plan view of an interlocking paving block showing my new design.
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a left end elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 1.
FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 1.