Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558222 | Panelling and supports for interconnected toy blocks | — | 2003-05-06 |
| 6059631 | Toy construction kit with interconnecting building pieces | — | 2000-05-09 |
| 5527201 | Toy construction kit with interconnecting building pieces | — | 1996-06-18 |
| 4953701 | Fluorescent tube carrier | — | 1990-09-04 |
| 4734021 | Machine for building a dome or sphere | — | 1988-03-29 |