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Apparatus and methods for scanning documents including OMR, bar-code, and image data |
Lawrence Hyer, Jeffrey C. Hahn, Steven Wilcox, Bernard J. McDevitt |
2002-03-19 |
| 5772505 |
Dual card scanner apparatus and method |
John J. Dobson |
1998-06-30 |
| 5669816 |
Blackjack scanner apparatus and method |
John J. Dobson |
1997-09-23 |
| 5632483 |
Blackjack scanner apparatus and method |
Robert A. Hollinger, Jeffrey C. Hahn, Bernard J. McDevitt, John L. Bradshaw |
1997-05-27 |
| 4902880 |
Card reader system and method with printing and verification capability |
Jeffrey C. Hahn, Edward C. Meehan |
1990-02-20 |
| 4492855 |
Badge reader with improved slide arrangement |
Frank J. Reed, Jeffrey C. Hahn, John J. Dobson |
1985-01-08 |
| 4187980 |
Badge reader with reliable data clocking means |
John C. Schisselbauer, Richard J. Auchinleck, Henry J. LoFurno |
1980-02-12 |