Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7637505 | Inclined surface feature for game assembly | — | 2009-12-29 |
| 7585216 | Sound generating puzzle | — | 2009-09-08 |
| D546398 | Portable game assembly | — | 2007-07-10 |
| 6787205 | Coated paperboard process for manufacturing the same and products obtained thereof | Yrjo Aho, Tapani Penttinen, Risto Salminen | 2004-09-07 |
| D453030 | Hand held video game apparatus | Christopher Lutchen | 2002-01-22 |
| 6244260 | Interactive projectile-discharging toy | Mark Ragoza, Peter Ferraro | 2001-06-12 |
| D393661 | Game apparatus | Karl R. Meyer | 1998-04-21 |
| D390279 | Game apparatus | Hiroshi Okawa | 1998-02-03 |
| 5034231 | Alitame stability using hydrogenated starch hydrolysate syrups | Robert J. Yatka | 1991-07-23 |
| 4997659 | Alitame stability in chewing gum by encapsulation | Robert J. Yatka | 1991-03-05 |
| D311556 | Manipulative skills game board | Bruce P. Popek | 1990-10-23 |