Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607630 | Print bonded multi-ply tissue | Theodore B. Rydell, Joseph M. Celmer, Michael Lee Bloedorn | 2003-08-19 |
| 5164357 | Thermally-responsive record material | Steven L. Vervacke, Peggy Dorothy Sands | 1992-11-17 |
| 4870047 | Thermally-responsive record material | Kenneth D. Glanz | 1989-09-26 |