| Number | Name | Date | Kind |
|---|---|---|---|
| 292598 | Stranders | Jan 1884 | |
| 1702505 | Groves | Feb 1929 | |
| 1964007 | Parks | Jun 1934 | |
| 2506189 | Attridge | May 1950 | |
| 3334798 | Pezely, Jr. et al. | Aug 1967 | |
| 4824112 | Roy | Apr 1989 | |
| 5219168 | Morris | Jun 1993 |
| Number | Date | Country |
|---|---|---|
| 2068743 | Aug 1981 | GBX |
| Entry |
|---|
| Oz Puzzle Co. advertisement "Oz Jig Saw Cubes" 1 page, 1975. |