Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252185 | Method and apparatus for calendering paper and internally heated roll | Eric R. Ellis, Fred J. Ferrari, Gregory H. Hale, Joyce H. Anderson, John A. Mattor +3 more | 1993-10-12 |
| 5171404 | Method and apparatus for calendering paper with internally heated roll | Eric R. Ellis, Fred J. Ferrari, Gregory H. Hale, Joyce M. Harrington, John A. Mattor +3 more | 1992-12-15 |