Issued Patents All Time
Showing 1–3 of 3 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, Kenneth B. Jewett +3 more | 1993-10-12 |
| 5174862 | Polishing doctor blade with diamond abrasive particles for a calendering roll | Gregory H. Hale, Abbott W. Mosher, John O. H. Peterson | 1992-12-29 |
| 5171404 | Method and apparatus for calendering paper with internally heated roll | Eric R. Ellis, Fred J. Ferrari, Gregory H. Hale, Joyce M. Harrington, Kenneth B. Jewett +3 more | 1992-12-15 |