Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8793219 | Excerpt retrieval system | Francis Olschafskie | 2014-07-29 |
| 6616038 | Selective text retrieval system | Francis Olschafskie | 2003-09-09 |
| 6460766 | Graphic symbols and method and system for identification of same | Francis Olschafskie | 2002-10-08 |
| 5574804 | Hand-held scanner | Francis Olschafskie | 1996-11-12 |
| 5301243 | Hand-held character-oriented scanner with external view area | Francis Olschafskie | 1994-04-05 |