Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733627 | Method for manufacturing paper having variable characteristics | Kenneth A. Krukonis, Charles E. Nelson | 2004-05-11 |
| 6270625 | Method for manufacturing colored stripped paper | Kenneth A. Krukonis, Charles E. Nelson | 2001-08-07 |
| D427219 | Surface pattern for a dandy roll screen | Richard C. Stielow, Jeffrey R. Miller, John E. Gutzwiller, Kathy A. Merckx, Mark S. Johnston | 2000-06-27 |
| D425113 | Watermark on a paper | Kathleen A. Merckx, Richard C. Stielow | 2000-05-16 |