Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885972 | Toy Xylophone | — | 1989-12-12 |
| D304213 | Toy construction ring | — | 1989-10-24 |
| 4804350 | Polygonal ring-like toy building block having means for interconnecting plural blocks together in differing orientations, and elongate stacking members for stacking plural blocks for storage | — | 1989-02-14 |