| Number | Name | Date | Kind |
|---|---|---|---|
| D257875 | Rudy | Jan 1981 | |
| D281893 | Adleman | Dec 1985 | |
| D281985 | Spirk, Jr. et al. | Dec 1985 | |
| D334040 | Chou et al. | Mar 1993 | |
| D334045 | Chou et al. | Mar 1993 | |
| D340098 | Petersheim | Oct 1993 | |
| D343438 | Fish, Jr. | Jan 1994 | |
| D344773 | Aker et al. | Mar 1994 | |
| D355693 | Aker et al. | Feb 1995 | |
| 4378216 | Phillips | Mar 1983 |
| Entry |
|---|
| Little Tikes: Toys That Last, 1994, "Tike Treehouse", p. 58. |
| Little Tikes: Toys That Last, 1994, "Wave Climber", p. 59. |
| Flexible Flyer: "Playtime Choo-Choo", p. 3. |
| Stop Two: A Step Beyond, 1994, "First Climber", p. 4. |