Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347813 | Interactive probe system for games and books | Hal H. Berger | 2002-02-19 |
| 6253375 | System for interactively distributing information services | Donald F. Gordon, Christopher Goode, Stanley Knight, Danny Chin | 2001-06-26 |
| 6027408 | Interactive probe game | — | 2000-02-22 |
| 5890717 | Interactive probe game | Fenton Rosewarne, Howard H. Berger, Richard Reed Perkins | 1999-04-06 |