Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584190 | Data files systems with hierarchical ranking for different activity groups | — | 2009-09-01 |
| 7185028 | Data files systems with hierarchical ranking for different activity groups | — | 2007-02-27 |
| 6564290 | Data carrier archiving and control system | — | 2003-05-13 |
| 6552866 | Library apparatus | — | 2003-04-22 |
| 6233579 | Method for storing data | — | 2001-05-15 |