Eric T. Langevin

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Northboro, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Simultaneously controlled steam shower and vacuum apparatus and met...
- Patent number 5,149,401
- Issue date Sep 22, 1992
- Thermo Electron Web Systems, Inc.
- Eric T. Langevin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Steam shower vacuum apparatus
- Patent number 5,020,245
- Issue date Jun 4, 1991
- Thermo Electron Web Systems, Inc.
- Eric T. Langevin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE