Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8252717 | Dual-sided two-ply direct thermal image element | Mary Ann Wehr | 2012-08-28 |
| 7777770 | Dual-sided two-ply direct thermal image element | Mary Ann Wehr | 2010-08-17 |
| 6784906 | Direct thermal printer | John Long | 2004-08-31 |
| 6656256 | Scented jet ink and printed articles therefrom | — | 2003-12-02 |
| 6261347 | Scented jet ink and printed articles therefrom | — | 2001-07-17 |
| 5977018 | Reactive paper and ink for indelible print | — | 1999-11-02 |
| 5843579 | Magnetic thermal transfer ribbon with aqueous ferrofluids | Joseph D. Roth | 1998-12-01 |
| 5746522 | Liquid tank re-inker using ball transfer mechanism | — | 1998-05-05 |