Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252185 | Method and apparatus for calendering paper and internally heated roll | Fred J. Ferrari, Gregory H. Hale, Joyce H. Anderson, Kenneth B. Jewett, John A. Mattor +3 more | 1993-10-12 |
| 5171404 | Method and apparatus for calendering paper with internally heated roll | Fred J. Ferrari, Gregory H. Hale, Joyce M. Harrington, Kenneth B. Jewett, John A. Mattor +3 more | 1992-12-15 |