| Number | Name | Date | Kind |
|---|---|---|---|
| D85142 | Steckler | Sep 1931 | |
| D153325 | Storey | Apr 1949 | |
| D200382 | Smith | Feb 1965 | |
| D264630 | Nakao et al. | May 1982 | |
| D277031 | Panicci | Jan 1985 | |
| D278920 | Wichman | May 1985 |
| Entry |
|---|
| Item 3248 302 at p. 16 of the 1986 Baby Catalogue by Continua Kunststoffverarbeitung. |
| Item 114 Daisy Chain at p. 4 of the 1981 Discovery Toys Catalogue. |
| Item 120 Chain Links at p. 3 of the 1982 Spring/Summer Discovery Toys Catalogue. |
| Multi-Shaped Play Toys at p. 39 of the 1985 ASCO Catalogue. |