Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178428 | Method and apparatus for accessing a file that can be concurrently written | Gregory Pongracz | 2001-01-23 |
| 6055546 | Method and apparatus for preserving non-current information that can be overwritten in a computer file | Gregory Pongracz | 2000-04-25 |
| 5946700 | Method and apparatus for preserving non-current information that can be overwritten in a computer file | Gregory Pongracz | 1999-08-31 |