Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162108 | Stackable block system | — | 2000-12-19 |
| 5848927 | Stackable block system | — | 1998-12-15 |
| D377060 | Tumbler | — | 1996-12-31 |
| D368939 | Toy building element | — | 1996-04-16 |
| D366914 | Toy building element | — | 1996-02-06 |
| D363513 | Toy building element | — | 1995-10-24 |
| D363514 | Toy building element | — | 1995-10-24 |
| D360909 | Toy building element | — | 1995-08-01 |
| D360910 | Toy building element | — | 1995-08-01 |