Gregory H. Hale

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Waterville, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for calendering paper and internally heated roll
- Patent number 5,252,185
- Issue date Oct 12, 1993
- S. D. Warren Company
- Eric R. Ellis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polishing doctor blade with diamond abrasive particles for a calend...
- Patent number 5,174,862
- Issue date Dec 29, 1992
- S. D. Warren Company
- Gregory H. Hale
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for calendering paper with internally heated roll
- Patent number 5,171,404
- Issue date Dec 15, 1992
- S. D. Warren Company
- Eric R. Ellis
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL