Hale; Gregory H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hale; Gregory H..The latest application filed is for "polishing doctor blade with diamond abrasive particles for a calendering roll".
- Hale; Gregory H. - Waterville ME
| Patent | Date |
|---|---|
| Polishing doctor blade with diamond abrasive particles for a calendering roll Grant 5,174,862 - Hale , et al. * December 29, 1 | 1992-12-29 |
| Method and apparatus for calendering paper with internally heated roll Grant 5,171,404 - Ellis , et al. December 15, 1 | 1992-12-15 |
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