Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D472585 | Inflatable cushion board game board | Mark Freedman, Bill Gordon, Charles Berzon, Eric Chau, Mark Lee +1 more | 2003-04-01 |
| D444821 | Inflatable cushion board game board | Mark Freedman, Bill Gordon, Charles Berzon, Eric Chau, Mark Lee +1 more | 2001-07-10 |
| 5888117 | Transparent display for a novelty item | — | 1999-03-30 |