Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947825 | Multisite multiplayer interactive electronic entertainment system having a partially player defined universe | Keats B. Horstmann, Stephen L. Fergeson | 1999-09-07 |
| 5674127 | Multisite multiplayer interactive electronic entertainment system having a partially player defined universe | Keats B. Horstmann, Stephen L. Fergeson | 1997-10-07 |