| Number | Name | Date | Kind |
|---|---|---|---|
| D269104 | Brown | May 1983 | |
| 3302949 | Wolfe | Feb 1967 | |
| 4149710 | Rouchard | Apr 1979 | |
| 4211400 | Ray | Jul 1980 | |
| 4299171 | Larson | Nov 1981 | |
| 4394173 | Aste | Jul 1983 | |
| 4487411 | Ahrens | Dec 1984 | |
| 4811943 | Ahrens | Mar 1989 |
| Number | Date | Country |
|---|---|---|
| 2135797 | Jan 1973 | DEX |
| Entry |
|---|
| 1994 Landscape Structures Inc. catalog of park and playground equipment (pages showing exemplary slides). pp. 62, 63, 64, 73, 86 and 87. |