Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988153 | Westernized mahjong game composed of specialized playing cards or tiles | — | 2011-08-02 |
| 4510567 | Qualifying and sorting file record data | John W. McInroy | 1985-04-09 |
| 4417321 | Qualifying and sorting file record data | Virginia Hoffman | 1983-11-22 |