Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10158596 | Correction of online identifiers | David S. Freeman, Qin Sun | 2018-12-18 |
| 5519860 | Central processor index sort followed by direct record sort and write by an intelligent control unit | Peter Chi-Hsiung Liu, Steven DeGrange | 1996-05-21 |