Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8144858 | Unrecognized number identifier | Nancy Book, Carol Shifrin Gruchala, Dianna Tiliks | 2012-03-27 |
| 7046785 | Unrecognized number identifier | Nancy Book, Carol Shifrin Gruchala, Dianna Tiliks | 2006-05-16 |