Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711523 | Puzzle game apparatus | Leonard S. Traub | 1998-01-27 |
| D363317 | Hand held roller game board | Clifford T. Rosenberg | 1995-10-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711523 | Puzzle game apparatus | Leonard S. Traub | 1998-01-27 |
| D363317 | Hand held roller game board | Clifford T. Rosenberg | 1995-10-17 |