Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6079954 | Air pumping station for pneumatic toy vehicle | Charles D. Kownacki, Jeffrey Rehkemper | 2000-06-27 |
| 6048247 | Main wing positioning and release system for a toy aircraft | Charles D. Kownacki, Jeffrey Rehkemper | 2000-04-11 |
| D419205 | Combined airplane and pumping station | Charles D. Kownacki, Jeffrey Rehkemper | 2000-01-18 |
| 6006517 | Pneumatic engine | Charles D. Kownacki, Jeffrey Rehkemper | 1999-12-28 |