Roger Kammerer

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Mercer Island, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of modeling and control for delignification of pulping
- Patent number 5,060,132
- Issue date Oct 22, 1991
- Elsag International B.V.
- Jeffrey A. Beller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System for modeling and control for delignification of pulping
- Patent number 5,032,977
- Issue date Jul 16, 1991
- Elsag International B.V.
- Jeffrey A. Beller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System for modeling and control for delignification of pulping
- Patent number 5,032,976
- Issue date Jul 16, 1991
- Elsag International B.V.
- Jeffrey A. Beller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for controlling the degree of cooking in a digester
- Patent number 4,990,219
- Issue date Feb 5, 1991
- Elsag International B.V.
- Jeffrey A. Beller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for controlling the degree of cooking in a digester
- Patent number 4,978,425
- Issue date Dec 18, 1990
- Elsag International B.V.
- Jeffrey A. Beller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE