Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654105 | Multi-layer thermally transferable printing ribbons | Thomas J. Obringer, John C. Rosenbaum | 1997-08-05 |
| 5616402 | Printing ribbon for printing red scannable bar codes | Joseph D. Roth, Richard D. Puckett | 1997-04-01 |