Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598950 | Toy for ejecting a stream of chilled water | Dexter Liu, Peter Cooper | 1997-02-04 |
| 5538456 | Toy water bomb | Dexter Liu | 1996-07-23 |
| 4448413 | Amusement game device | Carl Cederholm | 1984-05-15 |
| D258363 | Electronic keyboard musical instrument | Paul Sullivan, William F. Horan | 1981-02-24 |
| 4247109 | Pinball machine and flexible sheets with circuit therefor | William F. Horan, Paul Sullivan, Ernest H. Bridge, Jr. | 1981-01-27 |
| 4247111 | Game device | — | 1981-01-27 |