Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745236 | Networked computer game system with persistent playing objects | William M. Hawkins, Oren J. Tversky, Stewart K. Hester | 2004-06-01 |
| 6009458 | Networked computer game system with persistent playing objects | William M. Hawkins, Oren J. Tversky, Stewart K. Hester | 1999-12-28 |