Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237915 | Mixed roll calender | — | 1993-08-24 |
| 4453404 | Method and apparatus for determining statistical characteristics of sheet material | Calvin Powell | 1984-06-12 |
| 4359826 | Drying system | — | 1982-11-23 |