Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8881063 | Method and apparatus for virtual world based product design | Shenlei Elizabeth Winkler, Michael C. Pitman, David W. Levine, David M. Chess | 2014-11-04 |
| 6286028 | Method and apparatus for conducting electronic commerce | Mitchell A. Cohen, Martin Clarence Sturzenbecker, James Walters | 2001-09-04 |