John Hefele

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Glens Falls, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Distribution of dilution liquor to the discharge of a cellulose pul...
- Patent number 6,123,808
- Issue date Sep 26, 2000
- Ahlstrom Machinery Inc.
- Grant E. Bechard
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Preventing clogging in pressure diffusers
- Patent number 5,187,956
- Issue date Feb 23, 1993
- Kamyr, Inc.
- Joseph R. Phillips
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE