Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591345 | Confined animation figure toy | — | 1986-05-27 |
| 4383689 | Symbol game method | Frank Kohner, Albert Stubbmann | 1983-05-17 |
| 4332096 | Gravity flow display device | Frank Kohner | 1982-06-01 |