Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7185169 | Virtual physical drives | David W. Biessener | 2007-02-27 |
| 6990563 | Computer storage restoration | David W. Biessener, Joseph A. Frolik | 2006-01-24 |
| 6948039 | Data backup and restoration using dynamic virtual storage | David W. Biessener, Michael T. Checky | 2005-09-20 |
| 6345346 | Substantially instantaneous storage restoration for non-computer forensics applications | David W. Biessener, Joseph A. Frolik | 2002-02-05 |